Cornish, ME Weather & Growing Conditions
Overnight
43°F
Mostly Clear
Mostly clear, with a low around 43. North wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 65°F | Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 41°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Sunday | 58°F | Mostly Cloudy then Rain | 0 to 5 mph S | 86% |
| Sunday Night | 43°F | Rain Likely then Rain Showers Likely | 0 to 5 mph NE | 69% |
| Monday | 65°F | Mostly Sunny | 5 to 10 mph N | 2% |
| Monday Night | 41°F | Partly Cloudy | 5 mph N | 0% |
| Tuesday | 62°F | Partly Sunny | 5 mph NE | 0% |
| Tuesday Night | 40°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Wednesday | 62°F | Mostly Sunny | 5 to 10 mph NE | 0% |
| Wednesday Night | 39°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Thursday | 61°F | Chance Rain Showers | 5 mph NE | 25% |
| Thursday Night | 41°F | Chance Rain Showers | 0 to 15 mph NE | 33% |
| Friday | 62°F | Chance Rain Showers | 10 to 15 mph N | 32% |
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 (8.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.