Seabrook, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seabrook, a community in Barnstable County, Massachusetts.
Overnight
53°F
Mostly Cloudy
Mostly cloudy, with a low around 53. Northeast wind around 13 mph, with gusts as high as 23 mph.
7-day forecast for Seabrook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Mostly Cloudy | 13 mph NE | 0% |
| Saturday | 63°F | Mostly Sunny | 7 to 12 mph NE | 0% |
| Saturday Night | 55°F | Partly Cloudy | 6 mph E | 0% |
| Sunday | 66°F | Mostly Cloudy then Rain Showers Likely | 6 to 10 mph SE | 68% |
| Sunday Night | 57°F | Showers And Thunderstorms | 7 to 13 mph SE | 83% |
| Monday | 64°F | Chance Rain Showers then Mostly Cloudy | 13 to 16 mph N | 42% |
| Monday Night | 55°F | Mostly Cloudy | 9 to 13 mph NE | 3% |
| Tuesday | 62°F | Mostly Cloudy | 15 mph NE | 7% |
| Tuesday Night | 55°F | Mostly Cloudy | 15 to 18 mph NE | 4% |
| Wednesday | 63°F | Partly Sunny | 21 mph NE | 6% |
| Wednesday Night | 55°F | Chance Rain Showers | 20 to 24 mph NE | 25% |
| Thursday | 63°F | Chance Rain Showers | 25 mph NE | 37% |
| Thursday Night | 55°F | Chance Rain Showers | 24 mph NE | 42% |
| Friday | 63°F | Chance Rain Showers | 23 to 28 mph N | 42% |
Forecast source: National Weather Service (api.weather.gov) for Seabrook (41.585, -70.498). Updated through the day.
Growing snapshot for Seabrook
Last spring frost
Apr 26
First fall frost
Oct 26
Growing season
180 days
Hardiness zone
7a
More local growing data for Seabrook: nearby ZIP 02649 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
Seconsett Island
Climate data from the nearest NOAA station, E Sandwich, Ma (6.8 mi from Seabrook). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.