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.

Fair

58°F

14°C

Humidity 42%
Wind Speed S 15 mph
Barometer 30.42 in (1030.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 12 Apr 11:53 am EDT
Extended Forecast for

Millersburg PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 66. South wind 8 to 10 mph, with gusts as high as 23 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. Southeast wind 6 to 9 mph, with gusts as high as 24 mph.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, mainly after 11am. Mostly cloudy, with a high near 77. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. West wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 83. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    High: 83 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 66. South wind 8 to 10 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 54. Southeast wind 6 to 9 mph, with gusts as high as 24 mph.
Monday
A chance of showers, mainly after 11am. Mostly cloudy, with a high near 77. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 57. West wind around 6 mph becoming calm in the evening.
Tuesday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 83. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 86.
Wednesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 85.
Thursday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 57.
Saturday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Millersburg PA
 40.55°N 76.97°W (Elev. 400 ft)
Last Update:
12:12 pm EDT Apr 12, 2026
Forecast Valid:
12pm EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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