Cornish, ME Weather & Growing Conditions
Tonight
45°F
Chance Rain Showers then Mostly Cloudy
A chance of rain showers before 9pm. Mostly cloudy, with a low around 45. South wind around 0 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Chance Rain Showers then Mostly Cloudy | 0 mph | 25% |
| Wednesday | 73°F | Partly Sunny | 5 mph SW | 6% |
| Wednesday Night | 51°F | Partly Cloudy | 5 mph SW | 2% |
| Thursday | 69°F | Scattered Rain Showers | 5 to 10 mph SW | 34% |
| Thursday Night | 55°F | Isolated Rain Showers then Mostly Cloudy | 5 to 10 mph SW | 15% |
| Friday | 66°F | Light Rain Likely | 0 mph | 56% |
| Friday Night | 50°F | Light Rain | 0 to 5 mph NE | 82% |
| Saturday | 57°F | Light Rain | 5 mph N | 76% |
| Saturday Night | 42°F | Chance Light Rain | 5 mph NW | 54% |
| Sunday | 55°F | Chance Light Rain | 5 mph W | 36% |
| Sunday Night | 36°F | Slight Chance Light Rain then Partly Cloudy | 0 to 5 mph W | 15% |
| Monday | 52°F | Slight Chance Light Rain | 5 to 10 mph W | 21% |
| Monday Night | 33°F | Slight Chance Light Rain | 5 mph W | 18% |
| Tuesday | 52°F | Slight Chance Light Rain | 10 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cornish, ME
Last spring frost
May 12
First fall frost
Oct 1
Growing season
140 days
Hardiness zone
5a
Explore more for Cornish, ME: full frost dates · planting calendar · Maine frost dates
Climate data from the nearest NOAA station, East Hiram, Me (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.