Harman US

Granby, MA Weather & Growing Conditions

This Afternoon
68°F
Partly Sunny
Partly sunny, with a high near 68. North wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 68°F Partly Sunny 2 mph N 0%
Tonight 45°F Partly Cloudy 3 mph SE 4%
Sunday 59°F Rain Showers 1 to 7 mph SE 100%
Sunday Night 52°F Rain Showers 3 to 9 mph NE 90%
Monday 68°F Patchy Fog then Partly Sunny 8 to 12 mph N 5%
Monday Night 45°F Mostly Cloudy 8 mph N 2%
Tuesday 64°F Partly Sunny 9 mph NE 2%
Tuesday Night 44°F Mostly Cloudy 5 to 10 mph NE 2%
Wednesday 65°F Mostly Sunny 10 to 15 mph NE 2%
Wednesday Night 44°F Mostly Cloudy then Slight Chance Rain Showers 7 to 14 mph NE 15%
Thursday 64°F Slight Chance Rain Showers 13 to 16 mph NE 23%
Thursday Night 45°F Chance Rain Showers 13 to 17 mph NE 35%
Friday 64°F Chance Rain Showers 17 mph N 36%
Friday Night 47°F Chance Rain Showers 17 mph N 37%

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

Growing snapshot for Granby, MA

Last spring frost
May 3
First fall frost
Oct 14
Growing season
164 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Belchertown, Ma (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.