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.

Fair

22°F

-6°C

Humidity 89%
Wind Speed Calm
Barometer 30.14 in (1021.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 12 Jan 11:53 pm EST
Extended Forecast for

4 Miles NNE Millerstown PA

  • Overnight

    Overnight: Mostly clear, with a low around 27. Southwest wind 3 to 5 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. South wind 3 to 6 mph.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Southwest wind 3 to 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Cloudy, with a high near 46. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 24. Calm wind becoming west 5 to 7 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow, mainly before 1pm. Partly sunny, with a high near 31. Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow

  • Thursday Night

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

    Low: 16 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 27. Southwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 45. South wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Southwest wind 3 to 5 mph.
Wednesday
Rain likely, mainly after 1pm. Cloudy, with a high near 46. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 24. Calm wind becoming west 5 to 7 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow, mainly before 1pm. Partly sunny, with a high near 31. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 30.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
A chance of snow showers after 1pm. Partly sunny, with a high near 37. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Partly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Millerstown PA
 40.61°N 77.13°W (Elev. 568 ft)
Last Update:
12:26 am EST Jan 13, 2026
Forecast Valid:
12am EST Jan 13, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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