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.

Overcast

65°F

18°C

Humidity 93%
Wind Speed SE 3 mph
Barometer 30.15 in (1020.9 mb)
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 27 Jun 9:53 pm EDT
Extended Forecast for

2 Miles WNW Cocolamus PA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, cloudy, with a low around 65. Light southeast wind. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms then
    Slight Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, sunny, with a high near 86. Calm wind.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 2pm. Patchy fog between 7am and 8am. Otherwise, partly sunny, with a high near 87. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Patchy Fog
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, cloudy, with a low around 65. Light southeast wind. Chance of precipitation is 20%.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 86. Calm wind.
Sunday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 64. Calm wind.
Monday
Showers likely and possibly a thunderstorm after 2pm. Patchy fog between 7am and 8am. Otherwise, partly sunny, with a high near 87. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Tuesday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 62.
Independence Day
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Cocolamus PA
 40.66°N 77.15°W (Elev. 732 ft)
Last Update:
7:57 pm EDT Jun 27, 2025
Forecast Valid:
10pm EDT Jun 27, 2025-6pm EDT Jul 4, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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