Cambridge, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cambridge, a city in Suffolk County, Massachusetts.
This Afternoon
65°F
Mostly Sunny
Mostly sunny, with a high near 65. East wind around 6 mph.
7-day forecast for Cambridge
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Mostly Sunny | 6 mph E | 0% |
| Tonight | 47°F | Partly Cloudy | 1 to 6 mph SE | 0% |
| Sunday | 63°F | Rain Showers | 1 to 8 mph SE | 100% |
| Sunday Night | 55°F | Rain Showers | 5 to 10 mph NE | 100% |
| Monday | 67°F | Slight Chance Rain Showers then Partly Sunny | 7 to 10 mph NE | 21% |
| Monday Night | 51°F | Mostly Cloudy | 3 to 8 mph NE | 1% |
| Tuesday | 63°F | Partly Sunny | 8 to 12 mph NE | 2% |
| Tuesday Night | 51°F | Partly Cloudy | 5 to 10 mph NE | 1% |
| Wednesday | 64°F | Partly Sunny | 10 to 16 mph NE | 2% |
| Wednesday Night | 51°F | Mostly Cloudy then Slight Chance Rain Showers | 9 to 14 mph NE | 15% |
| Thursday | 63°F | Slight Chance Rain Showers | 13 to 16 mph NE | 24% |
| Thursday Night | 51°F | Chance Rain Showers | 13 to 16 mph NE | 37% |
| Friday | 64°F | Chance Rain Showers | 18 mph NE | 42% |
| Friday Night | 52°F | Chance Rain Showers | 18 mph N | 44% |
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
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.