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.

A Few Clouds

76°F

24°C

Humidity 56%
Wind Speed NE 7 mph
Barometer 30.08 in (1018.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 21 Aug 3:53 pm EDT
Extended Forecast for

2 Miles NNE Millerstown PA

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Patchy fog between 4am and 5am. Low around 63. Light southeast wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers likely before 8am. Patchy fog between 7am and 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Showers
    Likely and
    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. West wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 59. Calm wind.
Saturday
A chance of showers, with thunderstorms also possible after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Patchy fog between 4am and 5am. Low around 63. Light southeast wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely before 8am. Patchy fog between 7am and 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly clear, with a low around 56. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Millerstown PA
 40.59°N 77.14°W (Elev. 610 ft)
Last Update:
2:21 pm EDT Aug 21, 2026
Forecast Valid:
4pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026
 
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Additional Resources

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Chance of Precipitation