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.

Mostly Cloudy

73°F

23°C

Humidity 76%
Wind Speed Vrbl 3 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 14 Oct 5:53 pm EDT
Extended Forecast for

Montandon PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. West wind around 6 mph becoming north after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 1am. Low around 56. Calm wind becoming south 5 to 8 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Slight Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. High near 78. South wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers

  • Friday Night

    Friday Night: Showers, mainly before 8pm. Low around 42. Northwest wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Showers then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. West wind around 6 mph becoming north after midnight.
Thursday
Mostly sunny, with a high near 64. Light and variable wind.
Thursday Night
Showers, mainly after 1am. Low around 56. Calm wind becoming south 5 to 8 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, with thunderstorms also possible after 2pm. High near 78. South wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers, mainly before 8pm. Low around 42. Northwest wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 32.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 34.
Monday
Patchy frost before 9am. Otherwise, sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Montandon PA
 40.96°N 76.87°W (Elev. 499 ft)
Last Update:
2:21 pm EDT Oct 14, 2026
Forecast Valid:
6pm EDT Oct 14, 2026-6pm EDT Oct 21, 2026
 
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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