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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.

This Afternoon
66°F
Slight Chance Rain Showers
A slight chance of rain showers after 5pm. Partly sunny, with a high near 66. Southeast wind around 5 mph. Chance of precipitation is 20%.

7-day forecast for Corsica

WhenTempForecastWindPrecip
This Afternoon 66°F Slight Chance Rain Showers 5 mph SE 18%
Tonight 60°F Showers And Thunderstorms 7 mph SE 83%
Sunday 72°F Showers And Thunderstorms 8 mph SW 90%
Sunday Night 49°F Slight Chance Rain Showers then Mostly Cloudy 7 mph N 22%
Monday 67°F Mostly Cloudy then Chance Rain Showers 9 mph NE 28%
Monday Night 49°F Chance Rain Showers 7 to 12 mph E 52%
Tuesday 61°F Chance Rain Showers 12 mph E 54%
Tuesday Night 48°F Rain Showers Likely 14 mph E 57%
Wednesday 58°F Chance Rain Showers 10 to 14 mph E 54%
Wednesday Night 47°F Chance Rain Showers 13 mph E 32%
Thursday 61°F Chance Rain Showers 7 to 10 mph E 32%
Thursday Night 46°F Slight Chance Rain Showers 6 mph E 16%
Friday 67°F Slight Chance Rain Showers then Partly Sunny 6 mph NE 16%
Friday Night 46°F Partly Cloudy 6 mph N 11%

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.