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.

Fog/Mist

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in (1013.8 mb)
Dewpoint 57°F (14°C)
Visibility 2.50 mi
Last update 19 Aug 5:53 am EDT
Extended Forecast for

3 Miles ENE Liverpool PA

  • Today

    Today: Patchy fog between 7am and 9am. Otherwise, sunny, then becoming partly sunny during the afternoon, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely, mainly between noon and 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 77. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 77 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Patchy fog between midnight and 1am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Sunny, with a high near 80. Calm wind.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 62. Chance of precipitation is 20%.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 8am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday Night

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

    Low: 63 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog between 7am and 9am. Otherwise, sunny, then becoming partly sunny during the afternoon, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 65. Calm wind.
Thursday
Showers likely, mainly between noon and 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 77. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Patchy fog between midnight and 1am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 59. Calm wind.
Friday
Sunny, with a high near 80. Calm wind.
Friday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Saturday
A chance of showers after 8am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 79. Chance of precipitation is 40%.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Liverpool PA
 40.59°N 76.93°W (Elev. 709 ft)
Last Update:
2:21 am EDT Aug 19, 2026
Forecast Valid:
5am EDT Aug 19, 2026-6pm EDT Aug 25, 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