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.

Mostly Cloudy

78°F

26°C

Humidity 45%
Wind Speed N 5 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 24 Jun 5:53 pm EDT
Extended Forecast for

Riverside PA

  • Tonight

    Tonight: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 2am, then a chance of showers. Low around 62. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers then
    Showers
    Likely

  • Friday

    Friday: A chance of showers after 2pm. Partly sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers, mainly after 2am. Low around 63. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. High near 81. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Calm wind.
Thursday
Mostly sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Showers and thunderstorms before 2am, then a chance of showers. Low around 62. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers, mainly after 2am. Low around 63. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 81. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny and hot, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Riverside PA
 40.96°N 76.63°W (Elev. 499 ft)
Last Update:
2:21 pm EDT Jun 24, 2026
Forecast Valid:
6pm EDT Jun 24, 2026-6pm EDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation