National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Somerset County Airport (K2G9)

Lat: 40.04°NLon: 79.02°WElev: 2275ft.

Fair

28°F

-2°C

Humidity 64%
Wind Speed W 13 G 22 mph
Barometer 30.09 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 12 Jan 5:35 pm EST
Extended Forecast for

Casselman PA

  • Tonight

    Tonight: Mostly clear, with a low around 29. Southwest wind 8 to 10 mph, with gusts as high as 23 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 38. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Rain. High near 42. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Rain Likely
    then Rain

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain before 1am, then a chance of snow. Low around 17. Northwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Rain/Snow

  • Thursday

    Thursday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 21. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 21 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow showers after 1pm. Partly sunny, with a high near 28. Chance of precipitation is 30%.

    High: 28 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: A chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.

    Low: 22 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Southwest wind 8 to 10 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 47. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 38. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday
Rain. High near 42. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Snow, possibly mixed with rain before 1am, then a chance of snow. Low around 17. Northwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 21. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
A chance of snow showers after 1pm. Partly sunny, with a high near 28. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Saturday
Snow showers likely. Mostly cloudy, with a high near 34. Chance of precipitation is 70%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 13. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 7.
M.L.King Day
Partly sunny, with a high near 22.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Casselman PA
 39.88°N 79.23°W (Elev. 1781 ft)
Last Update:
5:51 pm EST Jan 12, 2026
Forecast Valid:
5pm EST Jan 12, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation