Somerville, MA Weather & Growing Conditions
Today
85°F
Sunny
Sunny, with a high near 85. West wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 6 mph W | 0% |
| Tonight | 64°F | Partly Cloudy | 2 to 6 mph SW | 2% |
| Wednesday | 85°F | Mostly Sunny | 2 to 6 mph SW | 2% |
| Wednesday Night | 68°F | Partly Cloudy | 6 mph SW | 5% |
| Thursday | 89°F | Mostly Sunny then Slight Chance Rain Showers | 3 to 8 mph SW | 17% |
| Thursday Night | 73°F | Slight Chance Rain Showers then Partly Cloudy | 7 mph SW | 21% |
| Friday | 91°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 9 mph SW | 21% |
| Friday Night | 73°F | Chance Rain Showers then Partly Cloudy | 3 to 7 mph W | 29% |
| Saturday | 88°F | Mostly Sunny then Chance Rain Showers | 3 to 7 mph W | 31% |
| Saturday Night | 72°F | Chance Rain Showers | 5 mph SW | 43% |
| Sunday | 89°F | Mostly Sunny | 3 to 7 mph W | 11% |
| Sunday Night | 72°F | Mostly Clear | 7 mph SW | 13% |
| Monday | 90°F | Sunny | 5 to 10 mph SW | 9% |
| Monday Night | 71°F | Mostly Clear | 9 mph W | 11% |
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 Aug 4, 2026.