Casco, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Casco, a community in Cumberland County, Maine.
Today
85°F
Sunny
Sunny, with a high near 85. West wind around 10 mph.
7-day forecast for Casco
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 10 mph W | 0% |
| Tonight | 57°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Wednesday | 87°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 65°F | Partly Cloudy | 0 to 5 mph SW | 4% |
| Thursday | 89°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 15% |
| Thursday Night | 68°F | Partly Cloudy | 0 to 5 mph S | 13% |
| Friday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 25% |
| Friday Night | 67°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 24% |
| Saturday | 88°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph W | 46% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph W | 40% |
| Sunday | 89°F | Sunny | 0 to 5 mph W | 5% |
| Sunday Night | 66°F | Mostly Clear | 0 to 5 mph SW | 5% |
| Monday | 89°F | Sunny | 0 to 10 mph SW | 12% |
| Monday Night | 63°F | Slight Chance Rain Showers | 0 to 10 mph W | 15% |
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 Aug 4, 2026.