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.

Overcast

38°F

3°C

Humidity 60%
Wind Speed NW 10 G 22 mph
Barometer 29.91 in (1013.0 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 12 Mar 11:53 am EDT
Extended Forecast for

Millersburg PA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 42. Northwest wind around 14 mph, with gusts as high as 30 mph.

    High: 42 °F

    Cloudy

  • Tonight

    Tonight: Mostly clear, with a low around 29. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 22 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of snow showers before 1pm, then a slight chance of rain showers between 1pm and 4pm. Increasing clouds, with a high near 50. Light south wind increasing to 13 to 18 mph in the morning. Winds could gust as high as 39 mph. Chance of precipitation is 20%.

    High: 50 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind 11 to 14 mph, with gusts as high as 29 mph.

    Low: 34 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 48. West wind around 10 mph, with gusts as high as 23 mph.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain and snow showers after 2am. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Cloudy, with a low around 47. Chance of precipitation is 70%.

    Low: 47 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers. High near 62. Breezy. Chance of precipitation is 90%.

    High: 62 °F

    Showers and
    Breezy

Detailed Forecast

This Afternoon
Cloudy, with a high near 42. Northwest wind around 14 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 29. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Friday
A slight chance of snow showers before 1pm, then a slight chance of rain showers between 1pm and 4pm. Increasing clouds, with a high near 50. Light south wind increasing to 13 to 18 mph in the morning. Winds could gust as high as 39 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind 11 to 14 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 48. West wind around 10 mph, with gusts as high as 23 mph.
Saturday Night
A slight chance of rain and snow showers after 2am. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.
Sunday
Mostly cloudy, with a high near 53.
Sunday Night
Showers likely, mainly after 2am. Cloudy, with a low around 47. Chance of precipitation is 70%.
Monday
Showers. High near 62. Breezy. Chance of precipitation is 90%.
Monday Night
Rain likely, possibly mixed with snow showers, mainly before 8pm. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Tuesday
Mostly cloudy, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 38.
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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:
11:51 am EDT Mar 12, 2026
Forecast Valid:
12pm EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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