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West Dennis, MA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for West Dennis, a community in Barnstable County, Massachusetts.

This Afternoon
64°F
Mostly Sunny
Mostly sunny. High near 64, with temperatures falling to around 56 in the afternoon. Southwest wind around 10 mph.

7-day forecast for West Dennis

WhenTempForecastWindPrecip
This Afternoon 64°F Mostly Sunny 10 mph SW 2%
Tonight 53°F Mostly Cloudy 7 mph SW 9%
Wednesday 66°F Sunny 7 to 12 mph SW 6%
Wednesday Night 55°F Patchy Fog 6 to 9 mph SW 3%
Thursday 67°F Partly Sunny 7 to 12 mph SW 4%
Thursday Night 59°F Mostly Cloudy then Light Rain Likely 10 mph SW 56%
Friday 65°F Light Rain 12 mph S 84%
Friday Night 55°F Rain 8 mph S 87%
Saturday 63°F Light Rain 7 to 10 mph SW 84%
Saturday Night 46°F Light Rain Likely 8 mph NW 55%
Sunday 58°F Chance Light Rain 10 mph W 30%
Sunday Night 42°F Partly Cloudy 7 mph W 12%
Monday 56°F Chance Light Rain 8 to 13 mph W 27%
Monday Night 40°F Chance Light Rain 10 mph NW 27%

Forecast source: National Weather Service (api.weather.gov) for West Dennis (41.667, -70.166). Updated through the day.

Growing snapshot for West Dennis

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

More local growing data for West Dennis: nearby ZIP 02670 weather · frost dates · planting calendar · Massachusetts frost dates

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Climate data from the nearest NOAA station, W Harwich, Ma (2.8 mi from West Dennis). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.