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

63°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 29.97 in (1014.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Apr 8:53 am EDT
Extended Forecast for

Millersburg PA

  • Today

    Today: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 85. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 85 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 64. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 8am. Partly sunny, with a high near 77. West wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 85. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 64. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
A chance of showers, mainly after 8am. Partly sunny, with a high near 77. West wind 5 to 7 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
Sunday Night
A chance of rain showers, mixing with snow after 11pm, then gradually ending. Partly cloudy, with a low around 36. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Millersburg PA
 40.55°N 76.94°W (Elev. 525 ft)
Last Update:
8:18 am EDT Apr 15, 2026
Forecast Valid:
9am EDT Apr 15, 2026-6pm EDT Apr 21, 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