East Dennis, MA Weather & Growing Conditions
Today
66°F
Sunny
Sunny. High near 66, with temperatures falling to around 60 in the afternoon. Southwest wind 8 to 13 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Sunny | 8 to 13 mph SW | 4% |
| Tonight | 57°F | Partly Cloudy then Patchy Fog | 10 mph SW | 3% |
| Thursday | 67°F | Patchy Fog then Partly Sunny | 8 to 13 mph SW | 2% |
| Thursday Night | 60°F | Light Rain Likely | 12 mph SW | 59% |
| Friday | 65°F | Light Rain | 10 mph S | 94% |
| Friday Night | 56°F | Light Rain | 8 mph S | 96% |
| Saturday | 62°F | Light Rain | 9 mph S | 88% |
| Saturday Night | 49°F | Slight Chance T-storms | 8 to 13 mph W | 22% |
| Sunday | 57°F | Slight Chance Light Rain then Mostly Sunny | 9 to 14 mph W | 18% |
| Sunday Night | 45°F | Partly Cloudy | 8 to 12 mph W | 10% |
| Monday | 56°F | Chance Light Rain | 12 to 15 mph W | 30% |
| Monday Night | 43°F | Slight Chance Light Rain then Partly Cloudy | 14 mph W | 24% |
| Tuesday | 56°F | Sunny | 16 mph W | 7% |
| Tuesday Night | 43°F | Mostly Clear | 15 mph W | 5% |
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 Nov 4, 2026.