Klingerstown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Klingerstown, a community in Northumberland County, Pennsylvania.
Today
84°F
Sunny
Sunny, with a high near 84. Northeast wind around 1 mph.
7-day forecast for Klingerstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 1 mph NE | 0% |
| Tonight | 65°F | Mostly Cloudy | 2 mph E | 5% |
| Wednesday | 81°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SE | 53% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms then Chance Rain Showers | 0 to 3 mph SE | 56% |
| Thursday | 85°F | Patchy Fog then Showers And Thunderstorms | 0 to 5 mph S | 78% |
| Thursday Night | 70°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 3 mph S | 78% |
| Friday | 86°F | Showers And Thunderstorms Likely | 0 to 5 mph W | 72% |
| Friday Night | 67°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph W | 72% |
| Saturday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 51% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 0 to 3 mph W | 51% |
| Sunday | 86°F | Mostly Sunny | 0 to 5 mph W | 10% |
| Sunday Night | 68°F | Partly Cloudy | 0 to 3 mph W | 10% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 7 mph W | 22% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms | 0 to 6 mph W | 22% |
Forecast source: National Weather Service (api.weather.gov) for Klingerstown (40.659, -76.693). Updated through the day.
Growing snapshot for Klingerstown
Last spring frost
Apr 25
First fall frost
Oct 22
Growing season
178 days
Hardiness zone
6b
More local growing data for Klingerstown: nearby ZIP 17867 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Selinsgrove 2 S, Pa (10.1 mi from Klingerstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.