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

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

31°F

-1°C

Humidity 85%
Wind Speed W 7 mph
Barometer 29.98 in (1017.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 7 Dec 5:54 pm EST
Extended Forecast for

Cassandra PA

  • Tonight

    Tonight: Occasional flurries before 10pm. Cloudy, with a low around 14. West wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 14 °F

    Flurries then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 22. North wind 6 to 8 mph.

    High: 22 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 11. East wind around 6 mph becoming south after midnight.

    Low: 11 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 31. South wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 31 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 29. Southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Rain and snow. High near 40. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow likely before 1am, then a chance of snow showers after 1am. Cloudy, with a low around 26. Chance of precipitation is 70%.

    Low: 26 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow showers after 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 40%.

    High: 28 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.

    Low: 19 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Occasional flurries before 10pm. Cloudy, with a low around 14. West wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Monday
Partly sunny, with a high near 22. North wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 11. East wind around 6 mph becoming south after midnight.
Tuesday
Mostly cloudy, with a high near 31. South wind 7 to 11 mph, with gusts as high as 23 mph.
Tuesday Night
A chance of snow after 1am. Mostly cloudy, with a low around 29. Southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Wednesday
Rain and snow. High near 40. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely before 1am, then a chance of snow showers after 1am. Cloudy, with a low around 26. Chance of precipitation is 70%.
Thursday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 50%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 50%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 18. Chance of precipitation is 40%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 17.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cassandra PA
 40.4°N 78.62°W (Elev. 2211 ft)
Last Update:
5:53 pm EST Dec 7, 2025
Forecast Valid:
6pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
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