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.

Overcast

57°F

14°C

Humidity 88%
Wind Speed S 10 mph
Barometer 30.18 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 4 Oct 11:55 am EDT
Extended Forecast for

Casselman PA

  • This Afternoon

    This Afternoon: Occasional sprinkles before 2pm. Cloudy, with a high near 66. South wind around 5 mph.

    High: 66 °F

    Sprinkles

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Light west wind.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 60. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 60 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Clear, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Clear

  • Tuesday

    Tuesday: Patchy frost before 8am. Otherwise, sunny, with a high near 61. Calm wind.

    High: 61 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Occasional sprinkles before 2pm. Cloudy, with a high near 66. South wind around 5 mph.
Tonight
Mostly cloudy, with a low around 47. Light west wind.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 60. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy frost before 8am. Otherwise, sunny, with a high near 61. Calm wind.
Tuesday Night
Clear, with a low around 42.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Casselman PA
 39.88°N 79.2°W (Elev. 2159 ft)
Last Update:
11:26 am EDT Oct 4, 2026
Forecast Valid:
12pm EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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