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

71°F

22°C

Humidity 59%
Wind Speed N 8 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 17 Apr 3:53 pm EDT
Extended Forecast for

Millersburg PA

  • Tonight

    Tonight: Partly cloudy, with a low around 56. North wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. South wind 5 to 10 mph, with gusts as high as 22 mph.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers, mainly after 8pm. Low around 45. Southeast wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 54. Northwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before 8pm, then a slight chance of showers after 2am. Areas of frost after 5am. Otherwise, partly cloudy, with a low around 37. West wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Areas of frost before 7am. Otherwise, mostly sunny, with a high near 48.

    High: 48 °F

    Areas Frost
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am. Partly cloudy, with a low around 44. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. North wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 77. South wind 5 to 10 mph, with gusts as high as 22 mph.
Saturday Night
Showers, mainly after 8pm. Low around 45. Southeast wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers, mainly before 2pm. High near 54. Northwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A slight chance of showers before 8pm, then a slight chance of showers after 2am. Areas of frost after 5am. Otherwise, partly cloudy, with a low around 37. West wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Monday
Areas of frost before 7am. Otherwise, mostly sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 58.
Tuesday Night
A chance of showers before 2am. Partly cloudy, with a low around 44. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 75.
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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:
3:06 pm EDT Apr 17, 2026
Forecast Valid:
4pm EDT Apr 17, 2026-6pm EDT Apr 24, 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