Brockton, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brockton, a city in Plymouth County, Massachusetts.
Today
84°F
Sunny
Sunny, with a high near 84. West wind 3 to 7 mph.
7-day forecast for Brockton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 3 to 7 mph W | 0% |
| Tonight | 60°F | Partly Cloudy | 2 to 6 mph SW | 5% |
| Wednesday | 84°F | Mostly Sunny | 2 to 8 mph W | 6% |
| Wednesday Night | 66°F | Partly Cloudy | 3 to 7 mph SW | 9% |
| Thursday | 87°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph SW | 22% |
| Thursday Night | 71°F | Chance Rain Showers then Partly Cloudy | 5 to 9 mph SW | 27% |
| Friday | 90°F | Mostly Sunny then Slight Chance Rain Showers | 6 to 10 mph SW | 19% |
| Friday Night | 71°F | Chance Rain Showers then Partly Cloudy | 3 to 8 mph SW | 27% |
| Saturday | 88°F | Mostly Sunny then Chance Rain Showers | 3 to 7 mph W | 34% |
| Saturday Night | 70°F | Chance Rain Showers | 5 mph SW | 46% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Rain Showers | 3 to 8 mph SW | 15% |
| Sunday Night | 70°F | Slight Chance Rain Showers then Partly Cloudy | 7 mph SW | 19% |
| Monday | 89°F | Sunny | 5 to 10 mph SW | 11% |
| Monday Night | 69°F | Partly Cloudy | 9 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov) for Brockton (42.083, -71.025). Updated through the day.
Growing snapshot for Brockton
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
178 days
Hardiness zone
6b
More local growing data for Brockton: nearby ZIP 02301 weather · frost dates · planting calendar · Massachusetts frost dates
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Climate data from the nearest NOAA station, Brockton, Ma (2.8 mi from Brockton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.