Cornish, ME Weather & Growing Conditions

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

Today

85°F

Sunny

Sunny, with a high near 85. West wind 5 to 10 mph.

7-day forecast for Cornish

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	87°F	Mostly Sunny	0 to 5 mph SW	0%
Wednesday Night	66°F	Partly Cloudy	0 to 5 mph SW	4%
Thursday	89°F	Mostly Sunny then Slight Chance Showers And Thunderstorms	0 to 5 mph SW	25%
Thursday Night	69°F	Slight Chance Showers And Thunderstorms then Partly Cloudy	0 to 5 mph SW	22%
Friday	91°F	Mostly Sunny then Slight Chance Showers And Thunderstorms	0 to 5 mph W	23%
Friday Night	68°F	Slight Chance Showers And Thunderstorms	0 to 5 mph W	22%
Saturday	88°F	Chance Rain Showers then Chance Showers And Thunderstorms	0 to 5 mph SW	44%
Saturday Night	66°F	Chance Showers And Thunderstorms then Partly Cloudy	0 to 5 mph W	39%
Sunday	89°F	Sunny	0 to 5 mph W	7%
Sunday Night	67°F	Mostly Clear	0 to 5 mph SW	7%
Monday	89°F	Sunny	5 to 10 mph W	12%
Monday Night	64°F	Partly Cloudy	0 to 10 mph W	13%

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 Aug 4, 2026.