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.

Fog/Mist

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.11 in (1019.4 mb)
Dewpoint 57°F (14°C)
Visibility 0.75 mi
Last update 26 May 2:53 am EDT
Extended Forecast for

2 Miles WSW Millersburg PA

  • Overnight

    Overnight: Areas of dense fog. Otherwise, mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Areas Dense
    Fog

  • Tuesday

    Tuesday: Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly after 2am. Patchy fog before 3am, then patchy fog after 5am. Otherwise, cloudy, with a low around 62. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Cloudy then
    Scattered
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Scattered showers between 10am and noon. Patchy fog before 9am. Otherwise, cloudy, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 81 °F

    Scattered
    Showers and
    Patchy Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 59. Light and variable wind.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, mostly cloudy, with a low around 56. Calm wind.
Tuesday
Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 79. Light and variable wind.
Tuesday Night
Scattered showers, mainly after 2am. Patchy fog before 3am, then patchy fog after 5am. Otherwise, cloudy, with a low around 62. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Scattered showers between 10am and noon. Patchy fog before 9am. Otherwise, cloudy, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 59. Light and variable wind.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Millersburg PA
 40.53°N 77°W (Elev. 502 ft)
Last Update:
2:46 am EDT May 26, 2026
Forecast Valid:
3am EDT May 26, 2026-6pm EDT Jun 1, 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