Casco, ME Weather & Growing Conditions
Today
85°F
Sunny
Sunny, with a high near 85. West wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 5 to 10 mph W | 0% |
| Tonight | 59°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Wednesday | 86°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 65°F | Partly Cloudy | 0 to 5 mph SW | 4% |
| Thursday | 88°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 16% |
| Thursday Night | 68°F | Partly Cloudy | 0 to 5 mph SW | 14% |
| Friday | 90°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 | 87°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph W | 47% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph SW | 41% |
| Sunday | 89°F | Sunny | 0 to 5 mph W | 5% |
| Sunday Night | 66°F | Mostly Clear | 0 to 5 mph SW | 5% |
| Monday | 88°F | Sunny | 0 to 10 mph SW | 12% |
| Monday Night | 63°F | Partly Cloudy | 5 to 10 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Casco, ME
Last spring frost
Apr 30
First fall frost
Oct 20
Growing season
172 days
Hardiness zone
5b
Explore more for Casco, ME: full frost dates · planting calendar · Maine frost dates
Climate data from the nearest NOAA station, Windham 2Nw, Me (7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.