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Heating Oil Prices in Portsmouth, NH
Today's average heating oil price in Portsmouth is $5.35/gallon — 25¢ below the NE average of $5.60/gal. Updated March 25, 2026.
The current heating oil price in Portsmouth, New Hampshire is $5.35 per gallon as of March 25, 2026. That's 25¢ below the Northeast average of $5.60/gal — one of the more affordable markets in the region.
Heating oil dealers in Portsmouth
Call dealers directly for today's per-gallon price — rates vary by dealer.
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 Portsmouth
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 Portsmouth 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 Portsmouth drop to your target. Today's price is $5.35/gal.
Many Portsmouth dealers offer 12-month budget plans that spread your annual heating cost evenly across every month — no surprise winter bills.