Harman US

Pepperell, MA Weather & Growing Conditions

Tonight
45°F
Partly Cloudy
Partly cloudy, with a low around 45. North wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 45°F Partly Cloudy 5 mph N 0%
Saturday 65°F Sunny 2 mph NE 0%
Saturday Night 42°F Partly Cloudy 2 mph S 2%
Sunday 62°F Rain Showers 0 to 5 mph E 82%
Sunday Night 50°F Rain Showers 1 to 5 mph NE 81%
Monday 65°F Slight Chance Rain Showers then Mostly Sunny 7 mph N 18%
Monday Night 46°F Partly Cloudy 1 to 5 mph N 4%
Tuesday 61°F Partly Sunny 7 mph NE 4%
Tuesday Night 44°F Mostly Cloudy 2 to 6 mph NE 2%
Wednesday 60°F Partly Sunny 6 to 10 mph NE 5%
Wednesday Night 44°F Mostly Cloudy then Slight Chance Rain Showers 3 to 7 mph NE 19%
Thursday 59°F Chance Rain Showers 6 to 9 mph NE 27%
Thursday Night 46°F Chance Rain Showers 3 to 7 mph NE 31%
Friday 64°F Chance Rain Showers 8 mph N 32%

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

Growing snapshot for Pepperell, MA

Last spring frost
Apr 29
First fall frost
Oct 8
Growing season
162 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Nashua Cwsu, Nh (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.