Summerville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Summerville, a borough in Jefferson County, Pennsylvania.
Overnight
50°F
Clear
Clear, with a low around 50. Southeast wind around 3 mph.
7-day forecast for Summerville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Clear | 3 mph SE | 1% |
| Wednesday | 76°F | Partly Sunny | 3 to 7 mph SE | 2% |
| Wednesday Night | 59°F | Light Rain | 7 mph S | 94% |
| Thursday | 68°F | Chance Light Rain then Partly Sunny | 5 to 10 mph SW | 38% |
| Thursday Night | 45°F | Partly Cloudy | 0 to 3 mph SW | 1% |
| Friday | 61°F | Partly Sunny | 1 to 6 mph SW | 14% |
| Friday Night | 40°F | Chance Light Rain | 0 to 3 mph W | 48% |
| Saturday | 52°F | Chance Light Rain | 5 to 9 mph W | 48% |
| Saturday Night | 34°F | Chance Light Rain | 7 mph W | 38% |
| Sunday | 52°F | Slight Chance Light Rain then Partly Sunny | 6 to 12 mph W | 15% |
| Sunday Night | 32°F | Partly Cloudy | 7 mph W | 10% |
| Monday | 54°F | Slight Chance Light Rain | 6 to 10 mph W | 22% |
| Monday Night | 32°F | Slight Chance Light Rain then Partly Cloudy | 7 mph SW | 17% |
| Tuesday | 58°F | Mostly Sunny | 7 to 12 mph SW | 6% |
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 Nov 4, 2026.