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.

Partly Cloudy

77°F

25°C

Humidity 43%
Wind Speed SW 5 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 10 Mar 2:53 pm EDT
Extended Forecast for

4 Miles NNE Millerstown PA

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Light and variable wind.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Patchy fog before 9am. High near 74. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Severe
    Thunderstorms
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Some of the storms could be severe. Low around 40. South wind 9 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Severe
    Thunderstorms
    then Showers

  • Thursday

    Thursday: A chance of rain showers before 11am, then a chance of snow showers between 11am and 2pm. Cloudy through mid morning, then gradual clearing, with a high near 45. Northwest wind 14 to 16 mph, with gusts as high as 39 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Northwest wind around 6 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers after 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.

    High: 48 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Partly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. Light and variable wind.
Wednesday
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Patchy fog before 9am. High near 74. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Some of the storms could be severe. Low around 40. South wind 9 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of rain showers before 11am, then a chance of snow showers between 11am and 2pm. Cloudy through mid morning, then gradual clearing, with a high near 45. Northwest wind 14 to 16 mph, with gusts as high as 39 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly clear, with a low around 29. Northwest wind around 6 mph becoming calm in the evening.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 33. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Cloudy, with a high near 58.
Sunday Night
Showers. Low around 44. Chance of precipitation is 80%.
Monday
Showers. High near 54. Chance of precipitation is 80%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Millerstown PA
 40.61°N 77.13°W (Elev. 568 ft)
Last Update:
2:36 pm EDT Mar 10, 2026
Forecast Valid:
3pm EDT Mar 10, 2026-6pm EDT Mar 17, 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