Cousins Island, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cousins Island, a community in Cumberland County, Maine.
This Afternoon
74°F
Sunny
Sunny, with a high near 74. Northwest wind around 15 mph.
7-day forecast for Cousins Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Sunny | 15 mph NW | 0% |
| Tonight | 49°F | Partly Cloudy | 5 to 15 mph NW | 0% |
| Saturday | 62°F | Sunny | 5 to 10 mph NE | 0% |
| Saturday Night | 50°F | Partly Cloudy | 0 to 10 mph SW | 0% |
| Sunday | 61°F | Chance Rain Showers | 0 to 10 mph S | 46% |
| Sunday Night | 52°F | Rain Showers Likely | 5 to 10 mph NE | 59% |
| Monday | 63°F | Mostly Sunny | 5 to 10 mph N | 9% |
| Monday Night | 49°F | Partly Cloudy | 5 to 10 mph NE | 1% |
| Tuesday | 61°F | Partly Sunny | 5 to 10 mph NE | 1% |
| Tuesday Night | 47°F | Mostly Cloudy | 0 to 10 mph NE | 1% |
| Wednesday | 61°F | Mostly Sunny | 10 to 15 mph NE | 1% |
| Wednesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Thursday | 60°F | Partly Sunny then Slight Chance Rain Showers | 5 to 10 mph NE | 24% |
| Thursday Night | 50°F | Chance Rain Showers | 5 to 10 mph NE | 25% |
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 Sep 18, 2026.