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

35°F

2°C

Humidity 52%
Wind Speed Vrbl 7 mph
Barometer 29.53 in (1000.2 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 29 Dec 3:53 pm EST
Extended Forecast for

Millersburg PA

Wind Advisory until December 30, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until December 30, 12:00pm

    NOW until 12:00pm Tue

    Wind Advisory

  • This Afternoon

    High: 33 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. Breezy, with a west wind around 24 mph, with gusts as high as 43 mph.

    Low: 24 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 30. Breezy, with a west wind 15 to 24 mph, with gusts as high as 43 mph.

    High: 30 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 22. West wind 7 to 10 mph, with gusts as high as 26 mph.

    Low: 22 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 34. West wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 34 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow
    Showers

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a steady temperature around 33. Breezy, with a west wind around 22 mph, with gusts as high as 46 mph.
Tonight
Mostly cloudy, with a low around 24. Breezy, with a west wind around 24 mph, with gusts as high as 43 mph.
Tuesday
Mostly cloudy, with a high near 30. Breezy, with a west wind 15 to 24 mph, with gusts as high as 43 mph.
Tuesday Night
Increasing clouds, with a low around 22. West wind 7 to 10 mph, with gusts as high as 26 mph.
Wednesday
Mostly cloudy, with a high near 34. West wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
New Year's Day
Mostly sunny, with a high near 26.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Mostly cloudy, with a high near 37.
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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:
2:21 pm EST Dec 29, 2025
Forecast Valid:
4pm EST Dec 29, 2025-6pm EST Jan 5, 2026
 
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