Harman US

Cambridge, MA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Cambridge, a city in Suffolk County, Massachusetts.

Today
64°F
Mostly Sunny
Mostly sunny, with a high near 64. Northeast wind around 6 mph.

7-day forecast for Cambridge

WhenTempForecastWindPrecip
Today 64°F Mostly Sunny 6 mph NE 0%
Tonight 50°F Partly Cloudy 1 to 6 mph S 0%
Sunday 64°F Mostly Cloudy then Rain Showers 1 to 7 mph SE 83%
Sunday Night 53°F Rain Showers 5 to 10 mph NE 81%
Monday 65°F Slight Chance Rain Showers then Partly Sunny 10 mph NE 17%
Monday Night 50°F Mostly Cloudy 3 to 9 mph NE 1%
Tuesday 61°F Mostly Cloudy 9 to 13 mph NE 2%
Tuesday Night 50°F Mostly Cloudy 6 to 12 mph NE 2%
Wednesday 63°F Partly Sunny 12 to 16 mph NE 2%
Wednesday Night 50°F Mostly Cloudy then Slight Chance Rain Showers 9 to 14 mph NE 20%
Thursday 62°F Chance Rain Showers 14 to 18 mph NE 32%
Thursday Night 50°F Chance Rain Showers 14 to 18 mph NE 35%
Friday 62°F Chance Rain Showers 18 mph NE 36%
Friday Night 51°F Chance Rain Showers 15 to 18 mph NE 38%

Forecast source: National Weather Service (api.weather.gov) for Cambridge (42.376, -71.119). Updated through the day.

Growing snapshot for Cambridge

Last spring frost
Apr 19
First fall frost
Oct 23
Growing season
185 days
Hardiness zone
6b

More local growing data for Cambridge: nearby ZIP 02163 weather · frost dates · planting calendar · Massachusetts frost dates

Nearby towns & communities

All Massachusetts locations ›

Climate data from the nearest NOAA station, Jamaica Plain, Ma (4.4 mi from Cambridge). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.