Current Williamstown, Massachusetts CD rates include MountainOne BankMountainOne Bank795 Main St, Williamstown, MA 01267A+5.0 ★Texas Ratio: 1.26%Real return: +0.20%APY minus CPI (February 2026) offering 6 Month CD at 3.00% APY, TD BankTD Bank57 Spring St, Williamstown, MA 01267A5.0 ★Texas Ratio: 6.30%Real return: -1.80%APY minus CPI (February 2026) offering 12 Month IRA Certificates at 1.00% APY, Middlesex Federal SavingsMiddlesex Federal SavingsA+5.0 ★Texas Ratio: 0.50%Real return: +1.79%APY minus CPI (February 2026) offering IRA 18 Month Variable Rate Certificate at 4.59% APY, USALLIANCEUSALLIANCEB4.5 ★Texas Ratio: 21.07%Real return: +1.30%APY minus CPI (February 2026) offering 18 Month Certificate at 4.10% APY, and River Works Credit UnionRiver Works Credit UnionA5.0 ★Texas Ratio: 7.57%Real return: +1.27%APY minus CPI (February 2026) offering 6 Month Certificate of Deposit at 4.07% APY. CD rates as of April 12, 2026 according to verified data from MonitorBankRates.
Williamstown has 10 local institutions in our database, with CD rates as high as 3.00% APY from MountainOne Bank at 795 Main St, Williamstown, MA 01267. Use the tables below to compare all available CD terms and offers, including options from institutions serving the broader Massachusetts 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: April 12, 2026
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All Share Certificates post dividends at maturity.; 2 Month Dividend Penalty for early withdrawal on Certificates with a terms of 12 months or under.; 3 Month Dividend Penalty for early withdrawal on Certificates with a terms greater than 12 months.; Tier level determined by opening deposit, not subject to change prior to dividend posting.
LIMITED TIME ONLY
not eligible for IRA
Relationship APY
All Share Certificates post dividends at maturity.; 2 Month Dividend Penalty for early withdrawal on Certificates with a terms of 12 months or under.; 3 Month Dividend Penalty for early withdrawal on Certificates with a terms greater than 12 months.; Tier level determined by opening deposit, not subject to change prior to dividend posting.
Member can request a one-time rate increase prior to maturity. On the date of the request, we will adjust the rate to match the USALLIANCE rate posted for the current Step-Up certificate with the same original maturity (12 or 24 months).
***
Qualifying balance up to $49,000.00
Relationship APY
All Share Certificates post dividends at maturity.; 2 Month Dividend Penalty for early withdrawal on Certificates with a terms of 12 months or under.; 3 Month Dividend Penalty for early withdrawal on Certificates with a terms greater than 12 months.; Tier level determined by opening deposit, not subject to change prior to dividend posting.
There is a substantial penalty for early withdrawal. Fees could reduce earnings. 3 and 6 month terms are not available as retirement certificates (IRAs). IRAs are subject to additional IRS considerations. All deposits are insured in full by FDIC and DIF.
Rate Special
All Share Certificates post dividends at maturity.; 2 Month Dividend Penalty for early withdrawal on Certificates with a terms of 12 months or under.; 3 Month Dividend Penalty for early withdrawal on Certificates with a terms greater than 12 months.; Tier level determined by opening deposit, not subject to change prior to dividend posting.
There is a substantial penalty for early withdrawal. Fees could reduce earnings. 3 and 6 month terms are not available as retirement certificates (IRAs). IRAs are subject to additional IRS considerations. All deposits are insured in full by FDIC and DIF.
Rate Special
There is a substantial penalty for early withdrawal. Fees could reduce earnings. 3 and 6 month terms are not available as retirement certificates (IRAs). IRAs are subject to additional IRS considerations. All deposits are insured in full by FDIC and DIF.
There is a substantial penalty for early withdrawal. Fees could reduce earnings. 3 and 6 month terms are not available as retirement certificates (IRAs). IRAs are subject to additional IRS considerations. All deposits are insured in full by FDIC and DIF.
Limited Time CD
There is a substantial penalty for early withdrawal. Fees could reduce earnings. 3 and 6 month terms are not available as retirement certificates (IRAs). IRAs are subject to additional IRS considerations. All deposits are insured in full by FDIC and DIF.
Compare local Williamstown, MA 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.
Massachusetts 12-month CD rates rose 0.161 points over the past 7 days to 2.169% APY.
Massachusetts 6-month CD rates rose 0.467 points over the past 7 days to 2.434% APY.
Where are Massachusetts CD rates headed through April 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 Massachusetts average APYs. State average used where available; national average as fallback.
| CD Term | MA Avg APY | $5,000 | $10,000 | $25,000 | $50,000 |
|---|---|---|---|---|---|
| 3-Month CD | 2.063% | $103.17 | $206.33 | $515.83 | $1,031.65 |
| 6-Month CD | 2.434% | $121.71 | $243.42 | $608.55 | $1,217.10 |
| 12-Month CD | 2.169% | $108.45 | $216.89 | $542.23 | $1,084.45 |
| 18-Month CD | 2.107% | $105.37 | $210.73 | $526.83 | $1,053.65 |
| 24-Month CD | 2.222% | $111.08 | $222.15 | $555.38 | $1,110.75 |
| 36-Month CD | 1.947% | $97.35 | $194.70 | $486.75 | $973.50 |
| 48-Month CD | 1.780% | $88.99 | $177.98 | $444.95 | $889.90 |
| 60-Month CD | 2.242% | $112.10 | $224.20 | $560.50 | $1,121.00 |
| Earnings shown are annualized (APY basis). Actual earnings for sub-12-month terms will be proportionally lower at maturity. Rates as of April 12, 2026. | |||||
$25,000 split equally across 5 terms using today’s Massachusetts average rates. As each CD matures, reinvest at the 36-month rung.
| Rung | Term | Deposit | MA Avg APY | Annual Earnings |
|---|---|---|---|---|
| 1 | 3-Month CD | $5,000 | 2.063% | $103.17 |
| 2 | 6-Month CD | $5,000 | 2.434% | $121.71 |
| 3 | 12-Month CD | $5,000 | 2.169% | $108.45 |
| 4 | 24-Month CD | $5,000 | 2.222% | $111.08 |
| 5 | 36-Month CD | $5,000 | 1.947% | $97.35 |
| Total ($25,000 invested) | $25,000 | 2.167% blended | $541.76/yr | |
Ladder example uses equal $5,000 rungs and Massachusetts average APYs. Actual earnings depend on the specific institution and product chosen. Use the calculator above to model your exact deposit amounts.
MonitorBankRates tracks 372 CD rates from 91 institutions in Williamstown, Massachusetts, including both local community banks and credit unions and national institutions with a presence in this area. 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: MountainOne Bank offers a CD at 3.00% APY with a minimum deposit of $1,000. Use the rate table above to compare all current offers in Williamstown, Massachusetts.
What to compare when shopping for a CD in Williamstown, Massachusetts
To find the best APYs in Williamstown, Massachusetts, start with credit unions and online-only banks — Williamstown, Massachusetts has 37 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
15.1% of residents are 65 or older — below the national average of 17.3%; a low unemployment rate of 1.7% reflects a strong local economy. At today’s MA 12-month CD average of 2.169%, saving 10% of the local median salary ($927/year) and putting it in a CD would earn an additional $20 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 |
At today’s MA top rate of 3.00% APY, a $10,000 deposit earns $300 in the first year. Enter your amount to see your exact return.
Williamstown, Massachusetts CD LadderMA CD rates currently range from 2.063% (3-month) to 1.947% (36-month). Model a ladder with local rates to keep cash accessible while maximizing yield.
Early Withdrawal PenaltyBefore locking into a Williamstown, Massachusetts CD at 3.00% 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 SavingsMassachusetts’s average 12-month CD is 2.169% APY. Compare locking in that rate against a flexible high-yield savings account to see which earns more for your deposit and timeline.
Direct-Sourced & Verified CD Rate Data: We aggregate certificate of deposit (CD) rates for Williamstown, Massachusetts directly from the official websites of banks and credit unions using our proprietary rate aggregation technology and a dedicated team of rate updaters. By pulling data straight 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 Williamstown, Massachusetts. 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 MA.
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.