Brockton, MA Weather & Growing Conditions
Tonight
42°F
Partly Cloudy
Partly cloudy, with a low around 42. Southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Partly Cloudy | 3 mph SE | 0% |
| Sunday | 63°F | Rain Showers | 1 to 7 mph SE | 100% |
| Sunday Night | 54°F | Rain Showers | 3 to 10 mph E | 97% |
| Monday | 65°F | Chance Rain Showers then Partly Sunny | 7 to 10 mph NE | 28% |
| Monday Night | 48°F | Mostly Cloudy | 2 to 6 mph NE | 2% |
| Tuesday | 62°F | Partly Sunny | 6 to 10 mph NE | 2% |
| Tuesday Night | 48°F | Mostly Cloudy | 5 to 8 mph NE | 2% |
| Wednesday | 63°F | Partly Sunny | 8 to 14 mph NE | 2% |
| Wednesday Night | 48°F | Mostly Cloudy then Slight Chance Rain Showers | 7 to 12 mph NE | 17% |
| Thursday | 63°F | Chance Rain Showers | 12 to 15 mph NE | 27% |
| Thursday Night | 49°F | Chance Rain Showers | 13 to 16 mph NE | 38% |
| Friday | 63°F | Chance Rain Showers | 14 to 17 mph NE | 45% |
| Friday Night | 50°F | Chance Rain Showers | 16 mph N | 45% |
| Saturday | 65°F | Chance Rain Showers | 13 to 16 mph N | 41% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brockton, MA
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
178 days
Hardiness zone
6b
Explore more for Brockton, MA: full frost dates · planting calendar · Massachusetts frost dates
Climate data from the nearest NOAA station, Brockton, Ma (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.