Selinsgrove, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Selinsgrove, a borough in Snyder County, Pennsylvania.

This Afternoon

78°F

Sunny

Sunny, with a high near 78. North wind around 6 mph.

7-day forecast for Selinsgrove

When	Temp	Forecast	Wind	Precip
This Afternoon	78°F	Sunny	6 mph N	0%
Tonight	50°F	Partly Cloudy then Areas Of Fog	1 to 5 mph N	0%
Saturday	73°F	Areas Of Fog then Mostly Sunny	1 mph E	3%
Saturday Night	60°F	Mostly Cloudy then Rain Showers Likely	0 to 7 mph SE	70%
Sunday	72°F	Rain Showers	3 to 8 mph S	97%
Sunday Night	56°F	Showers And Thunderstorms	2 to 7 mph NW	96%
Monday	68°F	Chance Rain Showers	7 mph N	30%
Monday Night	53°F	Chance Rain Showers	6 mph NE	53%
Tuesday	61°F	Rain Showers Likely	6 mph NE	57%
Tuesday Night	48°F	Rain Showers Likely	3 to 7 mph NE	57%
Wednesday	60°F	Chance Rain Showers	7 mph NE	47%
Wednesday Night	48°F	Chance Showers And Thunderstorms	5 mph NE	47%
Thursday	62°F	Chance Showers And Thunderstorms	5 mph NE	39%
Thursday Night	49°F	Chance Showers And Thunderstorms	0 to 3 mph N	37%

Forecast source: National Weather Service (api.weather.gov) for Selinsgrove (40.800, -76.865). Updated through the day.

Growing snapshot for Selinsgrove

Last spring frost

Apr 27

First fall frost

Oct 16

Growing season

172 days

Hardiness zone

More local growing data for Selinsgrove: nearby ZIP 17870 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Selinsgrove Penn Vly Ap, Pa (1.5 mi from Selinsgrove). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.