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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
Big Run
Brockway
Brookville
Falls Creek
Punxsutawney
Reynoldsville
Summerville
Sykesville
Timblin
Worthville
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.