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Corsica, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Corsica, a borough in Jefferson County, Pennsylvania.

Today
72°F
Partly Sunny
Partly sunny, with a high near 72. Southeast wind around 6 mph.

7-day forecast for Corsica

WhenTempForecastWindPrecip
Today 72°F Partly Sunny 6 mph SE 2%
Tonight 60°F Showers And Thunderstorms 5 to 8 mph SE 85%
Sunday 72°F Showers And Thunderstorms 8 mph SW 95%
Sunday Night 49°F Mostly Cloudy 9 mph N 11%
Monday 65°F Mostly Cloudy 9 mph NE 14%
Monday Night 47°F Chance Rain Showers 7 to 12 mph E 53%
Tuesday 59°F Chance Rain Showers 12 mph E 54%
Tuesday Night 46°F Chance Rain Showers 12 to 15 mph E 51%
Wednesday 57°F Chance Rain Showers 10 to 14 mph E 51%
Wednesday Night 46°F Chance Showers And Thunderstorms 13 mph E 54%
Thursday 62°F Chance Rain Showers 7 to 10 mph E 54%
Thursday Night 46°F Chance Showers And Thunderstorms 7 mph E 28%
Friday 66°F Partly Sunny then Slight Chance Rain Showers 7 mph NE 17%
Friday Night 46°F Slight Chance Rain Showers then Partly Cloudy 7 mph NE 17%

Forecast source: National Weather Service (api.weather.gov) for Corsica (41.181, -79.203). Updated through the day.

Growing snapshot for Corsica

Last spring frost
May 9
First fall frost
Oct 11
Growing season
154 days
Hardiness zone
6a

More local growing data for Corsica: nearby ZIP 15829 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Clarion 3 Sw, Pa (10.1 mi from Corsica). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.