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Weather in Cambridge, MA · National Weather Service + NOAA

Cambridge has a long growing season

Cambridge has chilly, snowy winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 20°, and about 49 inches of snow falls in a normal winter. Normal November highs come to 51°, and lows to 35°.

Winter 39°/23°Spring 57°/38°Summer 80°/61°Fall 62°/45°
Right now
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Sunrise 6:19 am · sunset 4:36 pm

Getting the latest forecast from the National Weather Service…

What stands out about Cambridge’s weather

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

Climate →
A long growing season218 frost-free days, from Apr 4 to Nov 9.Warming faster than mostThe last 30 years averaged 2.0° warmer than the 1900s, a bigger shift than 95% of U.S. towns.
A normal year

Where today sits in Cambridge’s year

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

Full climate →
Winter
39° / 23°
11 days with an inch or more of snow
Spring
57° / 38°
Last frost around Apr 4
Summer
80° / 61°
14 days reach 90° in a normal year
Fall now
62° / 45°
First frost around Nov 9
7 daysuntil the usual first frost (Nov 9)
Best months to be outside
MayJunJulAugSepOct
Highs of 62–84° and lows of 40° or more
How much snow does Cambridge get?About 49 inches a winter.When is it wettest?December, with 4.7 inches.Is it warmer than it used to be?+2.0° vs. the 20th century.

Weather talk

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

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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 Cambridge itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Boston Logan Intl Airport, MA (6 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.