Harman US

South Deerfield, MA Weather & Growing Conditions

This Afternoon
76°F
Sunny
Sunny. High near 76, with temperatures falling to around 70 in the afternoon. South wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 76°F Sunny 6 mph S 1%
Tonight 54°F Partly Cloudy 6 mph S 1%
Thursday 68°F Light Rain Likely 5 to 9 mph S 68%
Thursday Night 59°F Chance Rain 2 to 7 mph S 52%
Friday 69°F Chance Light Rain 3 mph S 45%
Friday Night 51°F Chance Light Rain 3 mph NW 41%
Saturday 63°F Chance Light Rain 5 mph N 39%
Saturday Night 43°F Chance Light Rain 5 to 8 mph NW 45%
Sunday 56°F Chance Light Rain 7 to 10 mph NW 37%
Sunday Night 38°F Partly Cloudy 7 mph W 11%
Monday 54°F Slight Chance Light Rain then Mostly Sunny 6 to 12 mph W 15%
Monday Night 34°F Partly Cloudy 7 mph W 7%
Tuesday 58°F Mostly Sunny 5 to 10 mph W 3%
Tuesday Night 34°F Mostly Clear 6 mph W 3%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for South Deerfield, MA

Last spring frost
May 2
First fall frost
Oct 9
Growing season
160 days
Hardiness zone
6a

Explore more for South Deerfield, MA: full frost dates · planting calendar · Massachusetts frost dates

Climate data from the nearest NOAA station, Leverett #2, Ma (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.