Harman US

Chester, MA Weather & Growing Conditions

This Afternoon
63°F
Partly Sunny
Partly sunny, with a high near 63. South wind around 1 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 63°F Partly Sunny 1 mph S 0%
Tonight 43°F Mostly Cloudy then Slight Chance Rain Showers 2 mph SE 15%
Sunday 53°F Rain Showers 1 to 6 mph SE 100%
Sunday Night 49°F Rain Showers then Patchy Fog 3 to 7 mph NE 86%
Monday 63°F Patchy Fog then Mostly Sunny 5 to 8 mph N 4%
Monday Night 42°F Mostly Cloudy 5 mph NE 2%
Tuesday 58°F Partly Sunny 6 mph NE 2%
Tuesday Night 41°F Mostly Cloudy 2 to 8 mph NE 1%
Wednesday 58°F Partly Sunny 12 mph NE 2%
Wednesday Night 41°F Mostly Cloudy 7 to 12 mph NE 13%
Thursday 57°F Slight Chance Rain Showers 8 to 12 mph NE 21%
Thursday Night 43°F Chance Rain Showers 7 to 14 mph NE 35%
Friday 58°F Chance Rain Showers 9 to 14 mph NE 35%
Friday Night 45°F Chance Rain Showers 9 to 16 mph N 38%

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

Growing snapshot for Chester, MA

Last spring frost
May 13
First fall frost
Oct 2
Growing season
144 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Worthington, Ma (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.