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.

Fair

64°F

18°C

Humidity 63%
Wind Speed N 10 mph
Barometer 30.29 in (1025.5 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 3 Oct 11:53 am EDT
Extended Forecast for

Montandon PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 70. Northeast wind 3 to 5 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: A chance of light rain, mainly between 9am and 5pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 61. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance Light
    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Patchy Fog

  • Monday

    Monday: Mostly sunny, with a high near 67. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog between 7am and 8am. Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Wednesday

    Wednesday: Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 69.

    High: 69 °F

    Patchy Frost
    then Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 70. Northeast wind 3 to 5 mph.
Tonight
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 50. Calm wind.
Sunday
A chance of light rain, mainly between 9am and 5pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 61. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 53. Calm wind.
Monday
Mostly sunny, with a high near 67. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Patchy fog between 7am and 8am. Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 64.
Tuesday Night
Clear, with a low around 37.
Wednesday
Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montandon PA
 40.94°N 76.87°W (Elev. 499 ft)
Last Update:
11:40 am EDT Oct 3, 2026
Forecast Valid:
12pm EDT Oct 3, 2026-6pm EDT Oct 9, 2026
 
Forecast Discussion
 
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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