Current Southbury, Connecticut CD rates include Webster BankWebster Bank100 Main St N, Southbury, CT 06488A+5.0 ★Texas Ratio: 2.48%Real return: +1.20%APY minus CPI (February 2026) offering Private 3-Month CD at 4.00% APY, Newtown Savings BankNewtown Savings Bank685 Main St S, Southbury, CT 06488A5.0 ★Texas Ratio: 6.92%Real return: +0.95%APY minus CPI (February 2026) offering 18 Month CD at 3.75% APY, Connecticut State Employees Credit UnionConnecticut State Employees Credit Union1461 S Britain Rd, Southbury, CT 06488 1177A+5.0 ★Texas Ratio: 0.25%Real return: +0.95%APY minus CPI (February 2026) offering 6 Month Certificate at 3.75% APY, Ion BankIon Bank363 Main St S, Southbury, CT 06488A5.0 ★Texas Ratio: 10.95%Real return: +0.85%APY minus CPI (February 2026) offering IRA 3 Month Certificate at 3.65% APY, and New Haven County Credit UnionNew Haven County Credit UnionA+5.0 ★Texas Ratio: 5.27%Real return: +1.28%APY minus CPI (February 2026) offering Share Certificate 1 year at 4.08% APY. CD rates as of June 1, 2026 according to verified data from MonitorBankRates.
Southbury has 48 local institutions in our database, with CD rates as high as 4.00% APY from Webster Bank at 100 Main St N, Southbury, CT 06488. Use the tables below to compare all available CD terms and offers, including options from institutions serving the broader Connecticut area. Rates are continually updated — we recommend checking back frequently.
The Annual Percentage Yields (APYs) displayed reflect actual verified offers from top-rated institutions. Rates are subject to change at the institution's discretion without notice and may depend on your initial funding amount. A substantial penalty may be imposed for early withdrawal, which could reduce earnings on the account. CD Rates Last Updated and Verified: June 1, 2026
Must be opened in branch; New Money Only
Early Withdrawal Penalties May Apply
Early Withdrawal Penalties May Apply
Relationship APY
$500 minimum, dividends compounded monthly. Early withdrawal penalty = 90 days dividend.
APY (Annual Percentage Yield) is 3.70% and the Interest Rate is 3.63%. APY effective 12/18/2025 and subject to change. $1,000 minimum opening deposit to open the account and earn APY. Rate guaranteed for the full term of the CD. Penalty for early withdrawal. Fees may reduce earnings. This offer is not available to brokers or financial institutions. Offer may be withdrawn at any time.
up to
Early Withdrawal Penalties May Apply
IRA Not Available
(IRA Not Available)
Early Withdrawal Penalties May Apply
Regular term and IRA Certificates - Minimum Deposit $2,500.00
Quarterly Post or Interest Checks<sup>2</sup>
APY (Annual Percentage Yield) is 3.80% and the Interest Rate is 3.73%. APY effective 12/18/2025 and subject to change. $1,000 minimum opening deposit to open the account and earn APY. Rate guaranteed for the full term of the CD. Penalty for early withdrawal. Fees may reduce earnings. This offer is not available to brokers or financial institutions. Offer may be withdrawn at any time.
Regular term and IRA Certificates - Minimum Deposit $2,500.00
$500 minimum, dividends compounded monthly. Early withdrawal penalty = 180 days dividend.
Quarterly Post or Interest Checks<sup>2</sup>
Available for a limited time only; offer may be withdrawn at any time; Available for current year IRA contributions only of up to $8,600; Open in branch only.
$1,000
Early Withdrawal Penalties May Apply
Until Maturity
0.25% bonus on $50,000-$99,999.99. 0.50% bonus on $100,000 and over.
0.25% bonus on $50,000-$99,999.99. 0.50% bonus on $100,000 and over.
Early Withdrawal Penalties May Apply
Ask for details - You may win a $25 monthly cash prize!
New money only; Alero Financial membership required
Must be opened in branch
APY (Annual Percentage Yield) is 3.25% and the Interest Rate is 3.20%. APY effective 12/18/2025 and subject to change. $1,000 minimum opening deposit to open the account and earn APY. Rate guaranteed for the full term of the CD. Penalty for early withdrawal. Fees may reduce earnings. This offer is not available to brokers or financial institutions. Offer may be withdrawn at any time.
0.25% bonus on $50,000-$99,999.99. 0.50% bonus on $100,000 and over.
0.25% bonus on $50,000-$99,999.99. 0.50% bonus on $100,000 and over.
Regular term and IRA Certificates - Minimum Deposit $2,500.00
NEW MONEY ONLY
New Money Only
Early Withdrawal Penalties May Apply
Early Withdrawal Penalties May Apply
Minimum deposit to open is $1,000. Minimum daily balance to obtain the APY is $0.01. Fees could reduce the earnings on the account. A penalty may be imposed for early withdrawal. At the account holder's request, the interest rate and APY may be increased one time during the 18-month term or two times during the 42-month term of the CD prior to maturity without penalty to the current interest rate and APY available for new CDs of the same type at the time of the request. This feature is available only if the interest rate and APY available for new CDs of the same type have increased during the term of the CD. The new rate will be paid from the time of the request until the maturity date.
$500 minimum, dividends compounded monthly. Early withdrawal penalty = 180 days dividend.
Quarterly Post or Interest Checks<sup>2</sup>
$250.00 - $9,999.99; Relationship APY
APY - Annual Percentage Yield.
$50,000
$1,000 - $49,500
0.25% bonus on $50,000-$99,999.99. 0.50% bonus on $100,000 and over.
0.25% bonus on $50,000-$99,999.99. 0.50% bonus on $100,000 and over.
$500 minimum, dividends compounded monthly. Early withdrawal penalty = 180 days dividend.
Regular term and IRA Certificates - Minimum Deposit $2,500.00
Early Withdrawal Penalties May Apply
Available for a limited time only; offer may be withdrawn at any time; Available for current year IRA contributions only of up to $8,600; Open in branch only.
Early Withdrawal Penalties May Apply
Quarterly Post or Interest Checks<sup>2</sup>
$50,000
$1,000 - $49,500
0.25% bonus on $50,000-$99,999.99. 0.50% bonus on $100,000 and over.
0.25% bonus on $50,000-$99,999.99. 0.50% bonus on $100,000 and over.
Regular term and IRA Certificates - Minimum Deposit $2,500.00
Early Withdrawal Penalties May Apply
Quarterly Post or Interest Checks<sup>2</sup>
Early Withdrawal Penalties May Apply
$500 minimum, dividends compounded monthly. Early withdrawal penalty = 180 days dividend.
Regular term and IRA Certificates - Minimum Deposit $2,500.00
0.25% bonus on $50,000-$99,999.99. 0.50% bonus on $100,000 and over.
0.25% bonus on $50,000-$99,999.99. 0.50% bonus on $100,000 and over.
$500 minimum, dividends compounded monthly. Early withdrawal penalty = 180 days dividend.
Quarterly Post or Interest Checks<sup>2</sup>
Early Withdrawal Penalties May Apply
Early Withdrawal Penalties May Apply
Regular term and IRA Certificates - Minimum Deposit $2,500.00
0.25% bonus on $50,000-$99,999.99. 0.50% bonus on $100,000 and over.
0.25% bonus on $50,000-$99,999.99. 0.50% bonus on $100,000 and over.
$500 minimum, dividends compounded monthly. Early withdrawal penalty = 180 days dividend.
Early Withdrawal Penalties May Apply
Early Withdrawal Penalties May Apply
Quarterly Post or Interest Checks<sup>2</sup>
Relationship APY
Relationship APY
Compare local Southbury, CT CD rate quotes against the statewide average
Daily CD rate averages tracked across our database of 8,500+ banks and credit unions — updated every evening.
Connecticut 12-month CD rates rose 0.012 points over the past 7 days to 2.012% APY.
Connecticut 6-month CD rates currently average 2.357% APY based on data from institutions in our monitoring network.
Where are Connecticut CD rates headed through June 2027?
Projections based on Fed funds rate futures and historical CD-to-fed-funds spread model. Not financial advice.
Annual interest earnings at today’s Connecticut average APYs. State average used where available; national average as fallback.
| CD Term | CT Avg APY | $5,000 | $10,000 | $25,000 | $50,000 |
|---|---|---|---|---|---|
| 3-Month CD | 2.213% | $110.63 | $221.26 | $553.15 | $1,106.30 |
| 6-Month CD | 2.357% | $117.85 | $235.69 | $589.23 | $1,178.45 |
| 12-Month CD | 2.012% | $100.61 | $201.21 | $503.03 | $1,006.05 |
| 18-Month CD | 1.805% | $90.23 | $180.46 | $451.15 | $902.30 |
| 24-Month CD | 1.392% | $69.60 | $139.20 | $348.00 | $696.00 |
| 36-Month CD | 1.597% | $79.84 | $159.67 | $399.18 | $798.35 |
| 48-Month CD | 1.600% | $80.02 | $160.04 | $400.10 | $800.20 |
| 60-Month CD | 1.342% | $67.09 | $134.18 | $335.45 | $670.90 |
| Earnings shown are annualized (APY basis). Actual earnings for sub-12-month terms will be proportionally lower at maturity. Rates as of June 1, 2026. | |||||
$25,000 split equally across 5 terms using today’s Connecticut average rates. As each CD matures, reinvest at the 36-month rung.
| Rung | Term | Deposit | CT Avg APY | Annual Earnings |
|---|---|---|---|---|
| 1 | 3-Month CD | $5,000 | 2.213% | $110.63 |
| 2 | 6-Month CD | $5,000 | 2.357% | $117.85 |
| 3 | 12-Month CD | $5,000 | 2.012% | $100.61 |
| 4 | 24-Month CD | $5,000 | 1.392% | $69.60 |
| 5 | 36-Month CD | $5,000 | 1.597% | $79.84 |
| Total ($25,000 invested) | $25,000 | 1.914% blended | $478.53/yr | |
Ladder example uses equal $5,000 rungs and Connecticut average APYs. Actual earnings depend on the specific institution and product chosen. Use the calculator above to model your exact deposit amounts.
MonitorBankRates tracks 490 CD rates from 22 banks and 32 credit unions with locations in Southbury, Connecticut, plus national online institutions available to Connecticut residents. Our proprietary aggregation system pulls verified rate data directly from each institution’s official website — no estimates, no national averages passed off as real offers.
Every rate listed includes the institution’s Safety Grade (A+ to F), Star Rating (1–5), and Texas Ratio — objective financial health metrics calculated from FDIC and NCUA regulatory data — so you can compare yield and institutional safety in one place.
Current top rate: Webster Bank offers a CD at 4.00% APY with a minimum deposit of $0. Use the rate table above to compare all current offers in Southbury, Connecticut.
What to compare when shopping for a CD in Southbury, Connecticut
To find the best APYs in Southbury, Connecticut, start with credit unions and online-only banks — Southbury, Connecticut has 32 credit unions in our database, and they consistently offer some of the highest yields because they have lower overhead than traditional banks and compete aggressively for deposits.
Always compare the APY (Annual Percentage Yield), not just the interest rate. The APY reflects compounding and is the true measure of what you’ll earn.
Also compare the early withdrawal penalty. Common penalties range from 30 to 180 days of interest depending on the term. If you’re unsure whether you’ll need the funds early, a no-penalty CD or a high-yield savings account may be a better fit.
Local demographics and economic context for CD savers — Source: U.S. Census Bureau ACS 2024 (state-level data shown — city data not available)
18.5% of residents are 65 or older, in line with the national average of 17.3%. At today’s CT 12-month CD average of 2.012%, saving 10% of the local median salary ($5,259/year) and putting it in a CD would earn an additional $106 annually in interest.
Data: U.S. Census Bureau, American Community Survey 5-Year Estimates 2024. Median earnings from ACS 2023 place-level estimates.
What to compare when choosing between a CD and other deposit accounts
| Feature | CD | High-Yield Savings | Money Market | 6-Month CD |
|---|---|---|---|---|
| Rate Type | Fixed APY | Variable APY | Variable APY | Fixed APY |
| Liquidity | Locked for term | Anytime | Anytime | Locked 6 months |
| Early Withdrawal | Penalty (months of interest) | None | None | Penalty (90–180 days interest) |
| FDIC / NCUA Insured | Yes (up to $250K) | Yes (up to $250K) | Yes (up to $250K) | Yes (up to $250K) |
| Check / Debit Access | No | Usually no | Often yes | No |
| Best For | Known savings goal, CD ladder | Emergency fund, flexible savings | Liquid savings with check-writing | Slightly higher yield, less urgency |
A certificate of deposit (CD) is a deposit account that holds a fixed sum of money for a fixed term, commonly three months to five years, in exchange for a guaranteed interest rate. In return for leaving the money untouched until the term ends, a saver in Southbury, Connecticut typically earns a higher rate than a standard savings account pays. CDs from banks are insured by the FDIC and those from credit unions by the NCUA, in Southbury, Connecticut as everywhere in the U.S.
The term is the length of time the money is committed before the CD matures. Shorter terms such as three or six months give Southbury, Connecticut savers easier access to their funds. For example, Connecticut State Employees Credit Union is offering its 6 Month Certificate at 3.75% APY. Longer terms such as three or five years usually pay higher rates. On the longer end, Ion Bank is offering its 60 Month Certificate at 1.00% APY. When a CD matures, the depositor can withdraw the principal and interest or roll the balance into a new term, so it helps to match the term to when the money will actually be needed.
CDs are among the lowest-risk savings products available because the rate is fixed for the full term and the balance is federally insured up to $250,000 per depositor, per institution, per ownership category. For a Southbury, Connecticut saver, the main trade-off is liquidity: withdrawing funds before maturity usually triggers an early-withdrawal penalty, often 30 to 180 days of interest depending on the term.
Interest on a CD is calculated using the annual percentage yield (APY), which reflects the effect of compounding over a year. Depending on the institution, interest may be credited monthly, quarterly, or at maturity, and can be paid out to a linked account or added back to the CD to compound. When comparing the Southbury, Connecticut CDs listed above, a saver gets the truest picture of total earnings by looking at APY rather than the nominal rate.
Most CDs carry a fixed rate that is locked for the entire term, protecting a Southbury, Connecticut depositor if market rates fall after the account is opened. Some institutions offer variable-rate or bump-up CDs whose rate can change during the term; these may start lower but allow the rate to rise if conditions improve. Which is better depends on the direction a saver expects rates to move.
At today’s CT top rate of 4.00% APY, a $10,000 deposit earns $400 in the first year. Enter your amount to see your exact return.
Southbury, Connecticut CD LadderCT CD rates currently range from 2.213% (3-month) to 1.597% (36-month). Model a ladder with local rates to keep cash accessible while maximizing yield.
Early Withdrawal PenaltyBefore locking into a Southbury, Connecticut CD at 4.00% APY, know your exit cost. Most institutions charge 90–180 days of interest — calculate your real net return if you need early access.
CD vs. High-Yield SavingsConnecticut’s average 12-month CD is 2.012% APY. Compare locking in that rate against a flexible high-yield savings account to see which earns more for your deposit and timeline.
Independent, Free, and Unbiased Rate Comparisons: MonitorBankRates.com is an independent rate comparison service. Our Southbury, Connecticut CD rate tables are free for consumers to use, and we do not receive payment from any financial institution to be included or to be ranked in any particular order. Listings are based solely on the rates each institution publicly advertises on its own website.
A Note on Third-Party Rate Tools: Some pages on our site also feature rate comparison widgets and tools provided by third-party partners. These tools may include sponsored listings or affiliate links, and we may receive compensation when users click through them. We clearly label these widgets so you can tell at a glance which rates come from our independent MonitorBankRates.com tables and which come from our advertising partners.
Direct-Sourced & Verified CD Rate Data: We aggregate certificate of deposit (CD) rates for Southbury, Connecticut directly from the official websites of banks and credit unions using our proprietary rate aggregation technology and a dedicated team of rate updaters. By sourcing data from the institutions' own digital properties and manually verifying yields daily, every rate on MonitorBankRates.com is highly accurate and trustworthy.
Local, Regional, and National Coverage: Our systems constantly monitor the market to provide a complete picture of available yields in Southbury, Connecticut. We feature a comprehensive mix of institutions — from neighborhood credit unions and competitive regional banks to high-yield CDs from large national institutions available to savers in CT.
Daily Updates & Time-Stamped Accuracy: Our rate updaters verify and update CD rates daily. Because yields can fluctuate rapidly, every CD product listed features its own specific “last updated” date for full transparency.