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 29.96 in (1014.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 19 Aug 11:53 pm EDT
Extended Forecast for

4 Miles WSW Riverside PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 73. Light north wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 73 °F

    Showers

  • Thursday Night

    Thursday Night: Areas of fog after 3am. Otherwise, mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Cloudy
    then Areas
    Fog

  • Friday

    Friday: A slight chance of showers after 2pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 79. Calm wind. Chance of precipitation is 20%.

    High: 79 °F

    Areas Fog
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. Calm wind.
Thursday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 73. Light north wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Areas of fog after 3am. Otherwise, mostly cloudy, with a low around 56. Calm wind.
Friday
A slight chance of showers after 2pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 79. Calm wind. Chance of precipitation is 20%.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.
Saturday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 59. Chance of precipitation is 30%.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
A chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Riverside PA
 40.92°N 76.7°W (Elev. 699 ft)
Last Update:
8:11 pm EDT Aug 19, 2026
Forecast Valid:
12am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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