Klingerstown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Klingerstown, a community in Northumberland County, Pennsylvania.
This Afternoon
73°F
Partly Sunny
Partly sunny, with a high near 73. Southeast wind around 3 mph.
7-day forecast for Klingerstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Partly Sunny | 3 mph SE | 2% |
| Tonight | 57°F | Rain Showers | 2 to 8 mph SE | 80% |
| Sunday | 72°F | Rain Showers | 3 to 8 mph S | 94% |
| Sunday Night | 51°F | Showers And Thunderstorms | 3 to 7 mph NW | 92% |
| Monday | 68°F | Mostly Cloudy | 6 mph N | 14% |
| Monday Night | 47°F | Chance Rain Showers | 5 mph NE | 44% |
| Tuesday | 60°F | Chance Rain Showers | 6 mph E | 47% |
| Tuesday Night | 46°F | Chance Rain Showers | 3 to 7 mph E | 39% |
| Wednesday | 61°F | Chance Rain Showers | 8 mph E | 39% |
| Wednesday Night | 46°F | Chance Rain Showers | 7 mph E | 35% |
| Thursday | 61°F | Chance Rain Showers | 7 mph NE | 35% |
| Thursday Night | 45°F | Chance Rain Showers | 1 to 5 mph NE | 35% |
| Friday | 65°F | Chance Rain Showers | 2 to 6 mph N | 25% |
| Friday Night | 46°F | Slight Chance Rain Showers | 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
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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.