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Weather in Truro, MA · National Weather Service + NOAA

Truro has milder winters than most of Massachusetts

Truro has chilly winters and pleasant summers. A typical July afternoon reaches 78°, a January night drops to 25°. In November, a normal day reaches 52° and a normal night drops to 38°.

Winter 40°/27°Spring 53°/39°Summer 76°/60°Fall 61°/47°
Right now
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Sunrise 6:14 am · sunset 4:33 pm

Getting the latest forecast from the National Weather Service…

What stands out about Truro’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Milder winters than most of MassachusettsJanuary nights average 25°, milder than 519 of 541 Massachusetts towns.Cool summersJuly afternoons average 78°, cooler than 95% of U.S. towns.Warming faster than mostThe last 30 years averaged 2.0° warmer than the 1900s, a bigger shift than 94% of U.S. towns.A long growing season206 frost-free days, from Apr 13 to Nov 4.
A normal year

Where today sits in Truro’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
40° / 27°
Snow is rare
Spring
53° / 39°
Last frost around Apr 13
Summer
76° / 60°
1 days reach 90° in a normal year
Fall now
61° / 47°
First frost around Nov 4
2 daysuntil the usual first frost (Nov 4)
Best months to be outside
MayJunJulAugSep
Highs of 62–84° and lows of 40° or more
When is it wettest?December, with 4.7 inches.Is it warmer than it used to be?+2.0° vs. the 20th century.What is each month like?Highs, lows, rain and snow for all 12.

Weather talk

Road reports, first frosts and storm memories from neighbors in Truro.

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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Truro itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Chatham Municipal Airport, MA (23 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.