Summerville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Summerville, a borough in Jefferson County, Pennsylvania.
Overnight
53°F
Mostly Cloudy
Mostly cloudy, with a low around 53. East wind around 3 mph.
7-day forecast for Summerville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Mostly Cloudy | 3 mph E | 1% |
| Saturday | 73°F | Partly Sunny | 6 mph E | 2% |
| Saturday Night | 60°F | Showers And Thunderstorms | 6 mph SE | 83% |
| Sunday | 74°F | Showers And Thunderstorms | 7 mph SW | 95% |
| Sunday Night | 49°F | Mostly Cloudy | 7 mph N | 13% |
| Monday | 66°F | Mostly Cloudy then Slight Chance Rain Showers | 8 mph NE | 17% |
| Monday Night | 47°F | Chance Rain Showers | 9 mph E | 54% |
| Tuesday | 60°F | Rain Showers Likely | 10 mph E | 55% |
| Tuesday Night | 46°F | Chance Rain Showers | 13 mph E | 51% |
| Wednesday | 58°F | Chance Rain Showers | 13 mph E | 51% |
| Wednesday Night | 46°F | Chance Showers And Thunderstorms | 9 to 13 mph E | 53% |
| Thursday | 63°F | Chance Rain Showers | 9 mph E | 53% |
| Thursday Night | 46°F | Chance Showers And Thunderstorms | 3 to 7 mph E | 28% |
| Friday | 67°F | Partly Sunny then Slight Chance Rain Showers | 7 mph NE | 16% |
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 Sep 19, 2026.