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

60°F

16°C

Humidity 86%
Wind Speed Calm
Barometer 29.88 in (1011.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 Jun 1:53 am EDT
Extended Forecast for

4 Miles WSW Liverpool PA

  • Overnight

    Overnight: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. West wind 3 to 7 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 61. Calm wind.

    Low: 61 °F

    Increasing
    Clouds

  • Monday

    Monday: A chance of rain, then periods of rain and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 76. Southeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Rain Likely
    then Heavy
    Rain

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 62. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers before 8am. Partly sunny, with a high near 79. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

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

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 57. Calm wind.
Sunday
Mostly sunny, with a high near 81. West wind 3 to 7 mph.
Sunday Night
Increasing clouds, with a low around 61. Calm wind.
Monday
A chance of rain, then periods of rain and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 76. Southeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 62. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers before 8am. Partly sunny, with a high near 79. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 50%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Friday Night
A chance of thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Liverpool PA
 40.56°N 77.05°W (Elev. 610 ft)
Last Update:
2:05 am EDT Jun 21, 2026
Forecast Valid:
2am EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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