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.

Fog/Mist

35°F

2°C

Humidity 96%
Wind Speed N 3 mph
Barometer 30.24 in (1024.5 mb)
Dewpoint 34°F (1°C)
Visibility 3.00 mi
Last update 4 Mar 5:53 am EST
Extended Forecast for

3 Miles S Cocolamus PA

  • Today

    Today: A slight chance of rain after 9am. Areas of fog before 1pm. Otherwise, cloudy, with a high near 49. Calm wind. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain and
    Areas Fog

  • Tonight

    Tonight: Rain, mainly after 3am. Patchy fog before 11pm, then patchy fog after midnight. Low around 42. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Chance Rain
    and Patchy
    Fog then Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Rain. Areas of fog before 1pm. High near 52. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain and
    Areas Fog

  • Thursday Night

    Thursday Night: Rain. Low around 44. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain

  • Friday

    Friday: A chance of rain, mainly before 1pm. Cloudy, with a high near 53. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain likely after 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.

    High: 69 °F

    Mostly Cloudy
    then Rain
    Likely

  • Saturday Night

    Saturday Night: A chance of rain before 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.

    Low: 46 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain after 9am. Areas of fog before 1pm. Otherwise, cloudy, with a high near 49. Calm wind. Chance of precipitation is 20%.
Tonight
Rain, mainly after 3am. Patchy fog before 11pm, then patchy fog after midnight. Low around 42. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. Areas of fog before 1pm. High near 52. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 44. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of rain, mainly before 1pm. Cloudy, with a high near 53. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Rain likely after 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Cocolamus PA
 40.61°N 77.1°W (Elev. 600 ft)
Last Update:
1:34 am EST Mar 4, 2026
Forecast Valid:
6am EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation