National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

69°F

21°C

Humidity 96%
Wind Speed Calm
Barometer 30.07 in (1017.8 mb)
Dewpoint 68°F (20°C)
Visibility 8.00 mi
Last update 11 Jul 10:53 pm EDT
Extended Forecast for

4 Miles NNE Millerstown PA

  • Tonight

    Tonight: Scattered showers and thunderstorms before midnight. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Scattered
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

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

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers and thunderstorms before midnight. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 83. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 63. Calm wind.
Monday
Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 64. Calm wind.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny and hot, with a high near 95.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 66.
Saturday
A chance of showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Millerstown PA
 40.61°N 77.13°W (Elev. 568 ft)
Last Update:
8:11 pm EDT Jul 11, 2026
Forecast Valid:
11pm EDT Jul 11, 2026-6pm EDT Jul 18, 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