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Heating Oil Prices in Williamstown, MA
Today's average heating oil price in Williamstown is $5.19/gallon — 39¢ below the NE average of $5.58/gal. Updated May 29, 2026.
The current heating oil price in Williamstown, Massachusetts is $5.19 per gallon as of May 29, 2026. That's 39¢ below the Northeast average of $5.58/gal — one of the more affordable markets in the region.
Heating oil dealers in Williamstown
Prices shown are dealer-submitted. Call to confirm today's rate.
Find the exact price at your address
Prices vary by zip code. Enter yours to see the most accurate local price.
How to get the best heating oil price in Williamstown
Prices between dealers in the same zip code can vary by 10–20¢ per gallon. On a 200-gallon fill that's $20–$40 saved from one phone call.
Prices in Williamstown are typically 15–25¢ lower between May and August when demand drops. Fill your tank before October.
Use the alert form on this page and we'll email you the moment prices in Williamstown drop to your target. Today's price is $5.19/gal.
Many Williamstown dealers offer 12-month budget plans that spread your annual heating cost evenly across every month — no surprise winter bills.