Cornish, ME Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Cornish, a community in York County, Maine.

This Afternoon

66°F

Isolated Rain Showers

Isolated rain showers after 3pm. Cloudy. High near 66, with temperatures falling to around 59 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 20%.

7-day forecast for Cornish

When	Temp	Forecast	Wind	Precip
This Afternoon	66°F	Isolated Rain Showers	5 mph SE	18%
Tonight	46°F	Slight Chance Light Rain then Mostly Cloudy	0 mph	20%
Wednesday	75°F	Mostly Sunny	0 to 5 mph W	6%
Wednesday Night	49°F	Partly Cloudy	0 to 5 mph SW	2%
Thursday	71°F	Partly Sunny then Chance Light Rain	5 to 10 mph SW	31%
Thursday Night	54°F	Chance Light Rain then Mostly Cloudy	0 to 5 mph SW	25%
Friday	69°F	Light Rain Likely	0 mph	61%
Friday Night	50°F	Light Rain	0 to 5 mph NE	79%
Saturday	61°F	Light Rain Likely	5 mph N	71%
Saturday Night	43°F	Chance Light Rain	0 mph	54%
Sunday	58°F	Chance Light Rain	0 to 5 mph NW	26%
Sunday Night	38°F	Partly Cloudy	0 mph	14%
Monday	56°F	Chance Light Rain	0 to 5 mph NW	30%
Monday Night	36°F	Chance Light Rain	0 to 5 mph NW	31%

Forecast source: National Weather Service (api.weather.gov) for Cornish (43.800, -70.795). Updated through the day.

Growing snapshot for Cornish

Last spring frost

May 12

First fall frost

Oct 1

Growing season

140 days

Hardiness zone

More local growing data for Cornish: nearby ZIP 04020 weather · frost dates · planting calendar · Maine frost dates

Nearby towns & communities

Alfred Biddeford Cape Neddick Kennebunk Kennebunkport Kittery Lake Arrowhead North Berwick Old Orchard Beach Saco Sanford South Berwick South Eliot West Kennebunk York Harbor

All Maine locations ›

Climate data from the nearest NOAA station, East Hiram, Me (8.2 mi from Cornish). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.