Brockton, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brockton, a city in Plymouth County, Massachusetts.
Tonight
51°F
Partly Cloudy
Partly cloudy, with a low around 51. Southwest wind around 6 mph.
7-day forecast for Brockton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Partly Cloudy | 6 mph SW | 4% |
| Wednesday | 75°F | Sunny | 6 to 10 mph SW | 5% |
| Wednesday Night | 55°F | Partly Cloudy | 8 mph SW | 3% |
| Thursday | 73°F | Mostly Cloudy | 6 to 12 mph SW | 8% |
| Thursday Night | 62°F | Mostly Cloudy then Light Rain Likely | 6 to 9 mph SW | 62% |
| Friday | 69°F | Rain | 8 mph S | 88% |
| Friday Night | 57°F | Rain | 6 mph S | 89% |
| Saturday | 64°F | Light Rain | 6 to 9 mph W | 77% |
| Saturday Night | 44°F | Chance Light Rain | 6 mph NW | 47% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 5 to 8 mph W | 24% |
| Sunday Night | 37°F | Partly Cloudy | 5 mph W | 10% |
| Monday | 57°F | Slight Chance Light Rain | 5 to 10 mph W | 21% |
| Monday Night | 36°F | Slight Chance Light Rain | 8 mph W | 21% |
| Tuesday | 57°F | Mostly Sunny | 12 mph SW | 11% |
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
Nearby towns & communities
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Bridgewater Town
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Duxbury
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Hull
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Marshfield
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North Plymouth
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Weweantic
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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 Nov 4, 2026.