Boston, MA Weather & Growing Conditions
Tonight
48°F
Partly Cloudy
Partly cloudy, with a low around 48. South wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Partly Cloudy | 3 mph S | 0% |
| Sunday | 62°F | Rain Showers | 3 to 8 mph SE | 100% |
| Sunday Night | 55°F | Rain Showers | 5 to 10 mph NE | 99% |
| Monday | 66°F | Slight Chance Rain Showers then Partly Sunny | 7 to 12 mph NE | 24% |
| Monday Night | 51°F | Mostly Cloudy | 2 to 8 mph NE | 1% |
| Tuesday | 62°F | Partly Sunny | 8 to 13 mph NE | 2% |
| Tuesday Night | 51°F | Partly Cloudy | 6 to 10 mph NE | 2% |
| Wednesday | 63°F | Partly Sunny | 12 to 16 mph NE | 2% |
| Wednesday Night | 51°F | Mostly Cloudy then Slight Chance Rain Showers | 9 to 14 mph NE | 16% |
| Thursday | 63°F | Chance Rain Showers | 14 to 17 mph NE | 25% |
| Thursday Night | 51°F | Chance Rain Showers | 14 to 17 mph NE | 37% |
| Friday | 63°F | Chance Rain Showers | 20 mph NE | 44% |
| Friday Night | 52°F | Chance Rain Showers | 16 to 20 mph N | 45% |
| Saturday | 66°F | Chance Rain Showers | 18 mph N | 42% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Boston, MA
Last spring frost
Apr 19
First fall frost
Oct 23
Growing season
185 days
Hardiness zone
6b
Explore more for Boston, MA: full frost dates · planting calendar · Massachusetts frost dates
Climate data from the nearest NOAA station, Jamaica Plain, Ma (2.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.