Summerville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Summerville, a borough in Jefferson County, Pennsylvania.
Today
83°F
Areas Of Fog then Sunny
Areas of fog before 9am. Sunny, with a high near 83. Southeast wind around 2 mph.
7-day forecast for Summerville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Areas Of Fog then Sunny | 2 mph SE | 0% |
| Tonight | 62°F | Mostly Clear | 2 mph SE | 0% |
| Wednesday | 84°F | Partly Sunny then Scattered Showers And Thunderstorms | 5 mph SE | 35% |
| Wednesday Night | 66°F | Scattered Showers And Thunderstorms | 1 to 5 mph SE | 50% |
| Thursday | 83°F | Showers And Thunderstorms | 1 to 6 mph S | 80% |
| Thursday Night | 66°F | Showers And Thunderstorms | 0 to 3 mph SW | 80% |
| Friday | 82°F | Chance Showers And Thunderstorms | 1 to 6 mph SW | 85% |
| Friday Night | 64°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph SW | 85% |
| Saturday | 82°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 7 mph SW | 51% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 51% |
| Sunday | 84°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 2 to 7 mph SW | 22% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 23% |
| Monday | 84°F | Chance Rain Showers | 5 to 9 mph SW | 47% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 2 to 7 mph W | 50% |
Forecast source: National Weather Service (api.weather.gov) for Summerville (41.116, -79.188). Updated through the day.
Growing snapshot for Summerville
Last spring frost
May 10
First fall frost
Oct 12
Growing season
155 days
Hardiness zone
6a
More local growing data for Summerville: nearby ZIP 15864 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Big Run
Brockway
Brookville
Corsica
Falls Creek
Punxsutawney
Reynoldsville
Sykesville
Timblin
Worthville
Climate data from the nearest NOAA station, Putneyville 2 Se Dam, Pa (13.2 mi from Summerville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.