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

59°F

15°C

Humidity 69%
Wind Speed N 8 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 15 Oct 11:53 am EDT
Extended Forecast for

Millersburg PA

  • This Afternoon

    This Afternoon: Partly sunny, then gradually becoming sunny, with a high near 65. North wind around 10 mph, with gusts as high as 22 mph.

    High: 65 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Clear, with a low around 40. North wind 5 to 8 mph.

    Low: 40 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 62. North wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 35. Northwest wind 3 to 7 mph.

    Low: 35 °F

    Clear

  • Friday

    Friday: Areas of frost before 8am. Otherwise, sunny, with a high near 63. North wind 5 to 7 mph.

    High: 63 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 40%.

    High: 70 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, then gradually becoming sunny, with a high near 65. North wind around 10 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 40. North wind 5 to 8 mph.
Thursday
Sunny, with a high near 62. North wind 6 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Clear, with a low around 35. Northwest wind 3 to 7 mph.
Friday
Areas of frost before 8am. Otherwise, sunny, with a high near 63. North wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 38.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 40%.
Sunday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Monday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Millersburg PA
 40.55°N 76.94°W (Elev. 525 ft)
Last Update:
10:06 am EDT Oct 15, 2025
Forecast Valid:
12pm EDT Oct 15, 2025-6pm EDT Oct 21, 2025
 
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