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

31°F

-1°C

Humidity 56%
Wind Speed NA
Barometer 30.10 in (1019.8 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 11 Jan 8:53 pm EST
Extended Forecast for

2 Miles SSE Millerstown PA

  • Tonight

    Tonight: Mostly clear, with a low around 28. West wind 7 to 11 mph, with gusts as high as 37 mph.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 41. West wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. Light south wind.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 1pm, then a chance of rain after 1pm. Cloudy, with a high near 47. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.

    Low: 31 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.

    High: 35 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 28. West wind 7 to 11 mph, with gusts as high as 37 mph.
Monday
Mostly sunny, with a high near 41. West wind 6 to 9 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 29. Calm wind.
Tuesday
Mostly sunny, with a high near 45. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 35. Light south wind.
Wednesday
A chance of showers before 1pm, then a chance of rain after 1pm. Cloudy, with a high near 47. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Millerstown PA
 40.53°N 77.15°W (Elev. 427 ft)
Last Update:
8:26 pm EST Jan 11, 2026
Forecast Valid:
9pm EST Jan 11, 2026-6pm EST Jan 18, 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