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

31°F

-1°C

Humidity 49%
Wind Speed SE 7 mph
Barometer 30.37 in (1029.0 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 18 Mar 1:53 pm EDT
Extended Forecast for

Millersburg PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 38. South wind around 6 mph.

    High: 38 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 27. Light southeast wind.

    Low: 27 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 48. Southeast wind around 6 mph.

    High: 48 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Decreasing
    Clouds

  • Friday

    Friday: A chance of showers after 2pm. Partly sunny, with a high near 57. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 8am. Partly sunny, with a high near 61. Chance of precipitation is 30%.

    High: 61 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.

    High: 63 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 38. South wind around 6 mph.
Tonight
Increasing clouds, with a low around 27. Light southeast wind.
Thursday
Mostly cloudy, with a high near 48. Southeast wind around 6 mph.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 31. Calm wind.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 57. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of showers before 8am. Partly sunny, with a high near 61. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Mostly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Millersburg PA
 40.55°N 76.94°W (Elev. 525 ft)
Last Update:
2:06 pm EDT Mar 18, 2026
Forecast Valid:
2pm EDT Mar 18, 2026-6pm EDT Mar 24, 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