Casco, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Casco, a community in Cumberland County, Maine.
Tonight
41°F
Mostly Clear
Mostly clear, with a low around 41. North wind 5 to 10 mph.
7-day forecast for Casco
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Mostly Clear | 5 to 10 mph N | 0% |
| Saturday | 65°F | Sunny | 5 to 10 mph NW | 0% |
| Saturday Night | 42°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Sunday | 61°F | Rain Showers Likely | 0 to 10 mph S | 59% |
| Sunday Night | 43°F | Rain Showers Likely | 0 to 5 mph E | 55% |
| Monday | 66°F | Mostly Sunny | 5 to 10 mph N | 2% |
| Monday Night | 41°F | Partly Cloudy | 5 mph N | 1% |
| Tuesday | 62°F | Partly Sunny | 5 to 10 mph NE | 1% |
| Tuesday Night | 40°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Wednesday Night | 40°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Thursday | 62°F | Partly Sunny then Slight Chance Rain Showers | 5 mph NE | 23% |
| Thursday Night | 42°F | Slight Chance Rain Showers | 5 to 10 mph NE | 23% |
| Friday | 65°F | Chance Rain Showers | 10 mph N | 27% |
Forecast source: National Weather Service (api.weather.gov) for Casco (44.002, -70.533). Updated through the day.
Growing snapshot for Casco
Last spring frost
Apr 30
First fall frost
Oct 20
Growing season
172 days
Hardiness zone
5b
More local growing data for Casco: nearby ZIP 04015 weather · frost dates · planting calendar · Maine frost dates
Nearby towns & communities
Bridgton
Brunswick
Cousins Island
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, Windham 2Nw, Me (7 mi from Casco). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.