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.

Light Rain Fog/Mist

69°F

21°C

Humidity 96%
Wind Speed Vrbl 3 mph
Barometer 29.71 in (1005.8 mb)
Dewpoint 68°F (20°C)
Visibility 5.00 mi
Last update 3 Aug 2:53 am EDT
Extended Forecast for

Riverside PA

  • Overnight

    Overnight: A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 69. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 80. Southwest wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 59. North wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 82. Calm wind.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 80%.

    High: 85 °F

    Mostly Sunny
    then Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 70. Chance of precipitation is 80%.

    Low: 70 °F

    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 69. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 80. Southwest wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 59. North wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 82. Calm wind.
Tuesday Night
Partly cloudy, with a low around 63. Calm wind.
Wednesday
A slight chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.
Wednesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Thursday
Showers and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 70. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Riverside PA
 40.94°N 76.64°W (Elev. 636 ft)
Last Update:
2:21 am EDT Aug 3, 2026
Forecast Valid:
3am EDT Aug 3, 2026-6pm EDT Aug 9, 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