Harman US

East Dennis, MA Weather & Growing Conditions

Tonight
54°F
Partly Cloudy
Partly cloudy, with a low around 54. North wind 12 to 15 mph, with gusts as high as 25 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 54°F Partly Cloudy 12 to 15 mph N 0%
Saturday 64°F Mostly Sunny 5 to 14 mph NE 0%
Saturday Night 44°F Partly Cloudy 5 mph E 0%
Sunday 65°F Mostly Cloudy then Chance Rain Showers 6 to 9 mph SE 52%
Sunday Night 58°F Rain Showers 9 mph E 88%
Monday 65°F Rain Showers Likely 10 to 17 mph NE 63%
Monday Night 56°F Slight Chance Rain Showers 13 to 17 mph NE 18%
Tuesday 63°F Slight Chance Rain Showers then Mostly Cloudy 20 mph NE 16%
Tuesday Night 57°F Mostly Cloudy 18 to 22 mph NE 7%
Wednesday 63°F Partly Sunny 23 mph NE 11%
Wednesday Night 57°F Mostly Cloudy then Slight Chance Rain Showers 21 to 24 mph NE 21%
Thursday 63°F Chance Rain Showers 22 to 25 mph NE 31%
Thursday Night 57°F Chance Rain Showers 18 to 24 mph NE 41%
Friday 64°F Chance Rain Showers 20 mph N 39%

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

Growing snapshot for East Dennis, MA

Last spring frost
Apr 13
First fall frost
Nov 3
Growing season
204 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, W Harwich, Ma (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.