Cousins Island, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cousins Island, a community in Cumberland County, Maine.
Today
67°F
Partly Sunny
Partly sunny, with a high near 67. Southwest wind 5 to 10 mph.
7-day forecast for Cousins Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Partly Sunny | 5 to 10 mph SW | 4% |
| Tonight | 54°F | Partly Cloudy | 5 to 10 mph SW | 2% |
| Thursday | 65°F | Mostly Cloudy then Chance Light Rain | 10 to 15 mph S | 43% |
| Thursday Night | 57°F | Mostly Cloudy then Slight Chance Light Rain | 5 to 10 mph SW | 17% |
| Friday | 65°F | Light Rain Likely | 0 to 5 mph S | 63% |
| Friday Night | 52°F | Light Rain | 0 to 10 mph E | 92% |
| Saturday | 59°F | Light Rain | 10 mph E | 82% |
| Saturday Night | 46°F | Chance Light Rain | 10 mph N | 42% |
| Sunday | 55°F | Chance Light Rain | 5 to 10 mph NW | 37% |
| Sunday Night | 41°F | Slight Chance Light Rain then Partly Cloudy | 5 mph W | 15% |
| Monday | 53°F | Mostly Sunny then Slight Chance Light Rain | 5 to 15 mph W | 21% |
| Monday Night | 39°F | Slight Chance Light Rain then Partly Cloudy | 5 to 10 mph W | 19% |
| Tuesday | 54°F | Mostly Sunny | 10 to 15 mph W | 11% |
| Tuesday Night | 38°F | Partly Cloudy | 5 to 10 mph W | 9% |
Forecast source: National Weather Service (api.weather.gov) for Cousins Island (43.767, -70.143). Updated through the day.
Growing snapshot for Cousins Island
Last spring frost
Apr 28
First fall frost
Oct 19
Growing season
172 days
Hardiness zone
6a
More local growing data for Cousins Island: nearby ZIP 04096 weather · frost dates · planting calendar · Maine frost dates
Nearby towns & communities
Bridgton
Brunswick
Casco
Cumberland Center
Dunstan
Falmouth
Falmouth Foreside
Freeport
Gorham
Gray
Little Falls
Littlejohn Island
Naples
North Windham
Oak Hill
Portland
South Portland
South Windham
Standish
Steep Falls
Westbrook
Yarmouth
Climate data from the nearest NOAA station, Gray, Me (8.7 mi from Cousins Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.