East Dennis, MA Weather & Growing Conditions
This Afternoon
74°F
Sunny
Sunny, with a high near 74. North wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Sunny | 3 mph N | 0% |
| Tonight | 54°F | Partly Cloudy | 1 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% |
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.