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

32°F

0°C

Humidity 50%
Wind Speed Vrbl 7 G 18 mph
Barometer 29.95 in (1014.7 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 17 Mar 11:53 am EDT
Extended Forecast for

Millersburg PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 35. West wind around 16 mph, with gusts as high as 31 mph.

    High: 35 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 20. West wind 5 to 8 mph becoming calm after midnight.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Calm wind becoming south around 6 mph in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. Light south wind.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 48. Calm wind becoming south around 6 mph in the afternoon.

    High: 48 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.

    Low: 39 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 35. West wind around 16 mph, with gusts as high as 31 mph.
Tonight
Partly cloudy, with a low around 20. West wind 5 to 8 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 38. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 26. Light south wind.
Thursday
Mostly cloudy, with a high near 48. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 53.
Friday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 59.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 47.
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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:
8:06 am EDT Mar 17, 2026
Forecast Valid:
12pm EDT Mar 17, 2026-6pm EDT Mar 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