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

69°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in (1015.9 mb)
Dewpoint 69°F (21°C)
Visibility 4.00 mi
Last update 17 Aug 12:53 am EDT
Extended Forecast for

Linntown PA

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Patchy fog before 8am. Otherwise, partly sunny, with a high near 90. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Patchy Fog
    then Heavy
    Rain

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. North wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 76. North wind around 6 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 61. Light southeast wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 66. Calm wind.
Sunday
A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Patchy fog before 8am. Otherwise, partly sunny, with a high near 90. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. North wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 76. North wind around 6 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 61. Light southeast wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Wednesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Thursday
A chance of showers after 8am. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Linntown PA
 40.94°N 76.9°W (Elev. 499 ft)
Last Update:
1:23 am EDT Aug 17, 2025
Forecast Valid:
1am EDT Aug 17, 2025-6pm EDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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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