National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

70°F

21°C

Humidity 82%
Wind Speed N 10 mph
Barometer 30.01 in (1015.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Aug 1:53 am EDT
Extended Forecast for

Selinsgrove PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. North wind around 7 mph.

    Low: 63 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 76. North wind 3 to 6 mph.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 75. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 75 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. North wind around 7 mph.
Monday
Partly sunny, with a high near 76. North wind 3 to 6 mph.
Monday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 61. Calm wind.
Tuesday
Partly sunny, with a high near 75. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 62.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Selinsgrove PA
 40.81°N 76.86°W (Elev. 472 ft)
Last Update:
1:52 am EDT Aug 18, 2025
Forecast Valid:
2am EDT Aug 18, 2025-6pm EDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation