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
80°F
Sunny
Sunny, with a high near 80. Southwest wind 5 to 10 mph.
7-day forecast for Cousins Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 5 to 10 mph SW | 0% |
| Tonight | 63°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Wednesday | 78°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 66°F | Partly Cloudy | 0 to 10 mph SW | 5% |
| Thursday | 80°F | Mostly Sunny | 0 to 10 mph SW | 9% |
| Thursday Night | 68°F | Partly Cloudy | 0 to 5 mph SW | 8% |
| Friday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SW | 27% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 27% |
| Saturday | 79°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph SW | 42% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 37% |
| Sunday | 80°F | Sunny | 0 to 10 mph SW | 5% |
| Sunday Night | 68°F | Mostly Clear | 5 to 10 mph SW | 6% |
| Monday | 82°F | Mostly Sunny | 5 to 15 mph SW | 13% |
| Monday Night | 67°F | Slight Chance Rain Showers | 5 to 15 mph W | 15% |
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 Aug 4, 2026.