West Dennis, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Dennis, a community in Barnstable County, Massachusetts.
Overnight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. North wind around 13 mph, with gusts as high as 25 mph.
7-day forecast for West Dennis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Cloudy | 13 mph N | 0% |
| Saturday | 64°F | Mostly Sunny | 7 to 12 mph NE | 0% |
| Saturday Night | 45°F | Partly Cloudy | 2 to 6 mph E | 0% |
| Sunday | 67°F | Mostly Cloudy then Rain Showers Likely | 6 to 10 mph SE | 70% |
| Sunday Night | 57°F | Rain Showers | 7 to 10 mph E | 88% |
| Monday | 66°F | Rain Showers Likely | 10 to 16 mph NE | 66% |
| Monday Night | 53°F | Slight Chance Rain Showers | 10 to 15 mph NE | 18% |
| Tuesday | 65°F | Slight Chance Rain Showers then Partly Sunny | 16 mph NE | 17% |
| Tuesday Night | 54°F | Mostly Cloudy | 15 to 18 mph NE | 8% |
| Wednesday | 65°F | Partly Sunny | 20 mph NE | 12% |
| Wednesday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 17 to 21 mph NE | 22% |
| Thursday | 65°F | Chance Rain Showers | 21 mph NE | 31% |
| Thursday Night | 54°F | Chance Rain Showers | 16 to 20 mph NE | 41% |
| Friday | 66°F | Chance Rain Showers | 18 mph N | 40% |
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
Nearby towns & communities
Barnstable Town
Bourne
Brewster
Buzzards Bay
Chatham
Dennis
Dennis Port
East Dennis
East Falmouth
East Harwich
East Sandwich
Falmouth
Forestdale
Harwich Center
Harwich Port
Mashpee Neck
Monomoscoy Island
Monument Beach
New Seabury
North Eastham
North Falmouth
Northwest Harwich
Orleans
Pocasset
Popponesset
Popponesset Island
Provincetown
Sagamore
Sandwich
Seabrook
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 Sep 19, 2026.