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Weather in Nantucket, MA · National Weather Service + NOAA

Nantucket has milder winters than most of Massachusetts

Nantucket has chilly winters and pleasant summers. A typical July afternoon reaches 76°, a January night drops to 26°, and about 25 inches of snow falls in a normal winter. In November, a normal day reaches 53° and a normal night drops to 39°.

Winter 42°/28°Spring 53°/39°Summer 74°/60°Fall 62°/48°
Right now
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Sunrise 6:13 am · sunset 4:34 pm

Getting the latest forecast from the National Weather Service…

What stands out about Nantucket’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 26°, milder than 538 of 541 Massachusetts towns.Cool summersJuly afternoons average 76°, cooler than 98% of U.S. towns.Warming faster than mostThe last 30 years averaged 2.1° warmer than the 1900s, a bigger shift than 95% of U.S. towns.A long growing season208 frost-free days, from Apr 13 to Nov 8.
A normal year

Where today sits in Nantucket’s year

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

Full climate →
Winter
42° / 28°
8 days with an inch or more of snow
Spring
53° / 39°
Last frost around Apr 13
Summer
74° / 60°
90° days are rare
Fall now
62° / 48°
First frost around Nov 8
6 daysuntil the usual first frost (Nov 8)
Best months to be outside
JunJulAugSepOct
Highs of 62–84° and lows of 40° or more
How much snow does Nantucket get?About 25 inches a winter.When is it wettest?October, with 4.4 inches.Is it warmer than it used to be?+2.1° vs. the 20th century.

Weather talk

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

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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 Nantucket itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Edgartown, MA (23 mi, snow) and Nantucket Mem Airport, MA (3 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.