Klingerstown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Klingerstown, a community in Northumberland County, Pennsylvania.
Tonight
49°F
Areas Of Fog
Areas of fog. Mostly clear, with a low around 49. North wind around 3 mph.
7-day forecast for Klingerstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Areas Of Fog | 3 mph N | 0% |
| Saturday | 73°F | Areas Of Fog then Mostly Sunny | 3 mph E | 3% |
| Saturday Night | 58°F | Mostly Cloudy then Rain Showers Likely | 2 to 7 mph SE | 63% |
| Sunday | 72°F | Rain Showers | 5 to 8 mph S | 98% |
| Sunday Night | 56°F | Showers And Thunderstorms | 5 mph NW | 98% |
| Monday | 68°F | Chance Rain Showers | 6 mph NE | 31% |
| Monday Night | 52°F | Chance Rain Showers | 2 to 6 mph NE | 49% |
| Tuesday | 61°F | Rain Showers Likely | 7 mph E | 55% |
| Tuesday Night | 47°F | Rain Showers Likely | 7 mph E | 55% |
| Wednesday | 59°F | Chance Rain Showers | 7 mph NE | 47% |
| Wednesday Night | 47°F | Chance Showers And Thunderstorms | 6 mph NE | 46% |
| Thursday | 61°F | Chance Showers And Thunderstorms | 6 mph NE | 38% |
| Thursday Night | 49°F | Chance Showers And Thunderstorms | 3 mph N | 36% |
| Friday | 67°F | Slight Chance Rain Showers then Partly Sunny | 2 to 6 mph N | 24% |
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
Nearby towns & communities
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Locust Gap
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Marshallton
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Montandon
Mount Carmel
Northumberland
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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 Sep 19, 2026.