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.

Partly Cloudy

35°F

2°C

Humidity 70%
Wind Speed SW 7 mph
Barometer 29.99 in (1016.0 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 17 Jan 1:53 pm EST
Extended Forecast for

Millerstown PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 41. West wind 3 to 5 mph.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of snow showers between 3am and 5am, then a chance of snow after 5am. Increasing clouds, with a low around 27. Calm wind. Chance of precipitation is 30%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: A chance of snow, mainly before 9am. Mostly cloudy, with a high near 31. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 31. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 29 mph.

    High: 31 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 20.

    High: 20 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 41. West wind 3 to 5 mph.
Tonight
A chance of snow showers between 3am and 5am, then a chance of snow after 5am. Increasing clouds, with a low around 27. Calm wind. Chance of precipitation is 30%.
Sunday
A chance of snow, mainly before 9am. Mostly cloudy, with a high near 31. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 18. Calm wind.
M.L.King Day
Partly sunny, with a high near 31. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 29 mph.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Sunny, with a high near 20.
Tuesday Night
Mostly clear, with a low around 9.
Wednesday
Partly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Mostly clear, with a low around 15.
Friday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Millerstown PA
 40.55°N 77.14°W (Elev. 489 ft)
Last Update:
1:06 pm EST Jan 17, 2026
Forecast Valid:
2pm EST Jan 17, 2026-6pm EST Jan 23, 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