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.

Fair

28°F

-2°C

Humidity 60%
Wind Speed W 17 G 26 mph
Barometer 30.06 in (1021.0 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 12 Jan 4:54 pm EST
Extended Forecast for

Cassandra PA

  • Tonight

    Tonight: Mostly clear, with a low around 27. West wind around 11 mph, with gusts as high as 28 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 43. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.

    High: 43 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers after 1am. Mostly cloudy, with a low around 36. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow showers before 10am, then rain showers. High near 40. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow
    then Showers

  • Wednesday Night

    Wednesday Night: Snow showers, possibly mixed with rain before 1am, then a chance of snow showers. Low around 17. West wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Rain/Snow

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 21. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 21 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.

    Low: 21 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 27. West wind around 11 mph, with gusts as high as 28 mph.
Tuesday
Increasing clouds, with a high near 43. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Tuesday Night
A slight chance of rain and snow showers after 1am. Mostly cloudy, with a low around 36. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow showers before 10am, then rain showers. High near 40. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Snow showers, possibly mixed with rain before 1am, then a chance of snow showers. Low around 17. West wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 21. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Mostly cloudy, with a high near 25.
Friday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Saturday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 21. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 7.
M.L.King Day
Partly sunny, with a high near 19.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cassandra PA
 40.43°N 78.65°W (Elev. 1867 ft)
Last Update:
1:11 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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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation