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.

Fair

65°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in (1014.7 mb)
Dewpoint 65°F (18°C)
Visibility 8.00 mi
Last update 20 Aug 3:53 am EDT
Extended Forecast for

3 Miles NNW Riverside PA

  • Today

    Today: Showers, mainly between 11am and 5pm. The rain could be heavy at times. High near 72. Light northeast wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Heavy Rain

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Patchy fog after midnight. Otherwise, increasing clouds, with a low around 62. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 79. Light southeast wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 63. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers after 2pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Areas Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly clear, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Showers, mainly between 11am and 5pm. The rain could be heavy at times. High near 72. Light northeast wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Patchy fog after 9pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 57. Calm wind.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 80. Calm wind.
Friday Night
A chance of showers after 2am. Patchy fog after midnight. Otherwise, increasing clouds, with a low around 62. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 79. Light southeast wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 63. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers after 2pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 79. Chance of precipitation is 40%.
Sunday Night
A chance of showers before 8pm. Mostly clear, with a low around 57. Chance of precipitation is 30%.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Riverside PA
 40.98°N 76.66°W (Elev. 600 ft)
Last Update:
3:57 am EDT Aug 20, 2026
Forecast Valid:
4am EDT Aug 20, 2026-6pm EDT Aug 26, 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