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.

Mostly Cloudy

41°F

5°C

Humidity 82%
Wind Speed S 5 mph
Barometer 29.98 in (1015.5 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 23 Nov 9:53 am EST
Extended Forecast for

Millersburg PA

  • Today

    Today: Mostly cloudy, with a high near 54. South wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 29 mph.

    High: 54 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly clear, with a low around 33. West wind 3 to 6 mph.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 1pm. Cloudy, with a high near 51. South wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 54. South wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 29 mph.
Tonight
Mostly clear, with a low around 33. West wind 3 to 6 mph.
Monday
Sunny, with a high near 53. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 36. Calm wind.
Tuesday
Showers likely, mainly after 1pm. Cloudy, with a high near 51. South wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly cloudy, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 34.
Thanksgiving Day
Partly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Millersburg PA
 40.55°N 76.97°W (Elev. 400 ft)
Last Update:
9:41 am EST Nov 23, 2025
Forecast Valid:
10am EST Nov 23, 2025-6pm EST Nov 29, 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