Harman US

Somerville, MA Weather & Growing Conditions

Tonight
52°F
Partly Cloudy
Partly cloudy, with a low around 52. North wind around 8 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 52°F Partly Cloudy 8 mph N 0%
Saturday 63°F Sunny 7 mph NE 0%
Saturday Night 48°F Partly Cloudy 1 to 6 mph S 1%
Sunday 65°F Rain Showers Likely 1 to 7 mph S 73%
Sunday Night 56°F Rain Showers 3 to 9 mph E 84%
Monday 64°F Chance Rain Showers then Partly Sunny 8 to 12 mph NE 35%
Monday Night 53°F Partly Cloudy 3 to 10 mph NE 7%
Tuesday 61°F Partly Sunny 10 to 14 mph NE 6%
Tuesday Night 52°F Mostly Cloudy 8 to 14 mph NE 3%
Wednesday 62°F Partly Sunny 17 mph NE 6%
Wednesday Night 52°F Mostly Cloudy then Slight Chance Rain Showers 10 to 15 mph NE 16%
Thursday 61°F Chance Rain Showers 14 to 17 mph NE 29%
Thursday Night 52°F Chance Rain Showers 9 to 15 mph NE 39%
Friday 65°F Chance Rain Showers 10 to 14 mph N 38%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Somerville, MA

Last spring frost
Apr 4
First fall frost
Nov 9
Growing season
218 days
Hardiness zone
7a

Explore more for Somerville, MA: full frost dates · planting calendar · Massachusetts frost dates

Climate data from the nearest NOAA station, Boston Logan Intl Ap, Ma (4.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.