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.

Unknown Precip and Breezy

24°F

-4°C

Humidity 81%
Wind Speed W 21 G 37 mph
Barometer 30.16 in (1024.2 mb)
Dewpoint 19°F (-7°C)
Visibility 3.00 mi
Wind Chill9°F (-13°C)
Last update 11 Jan 10:54 pm EST
Extended Forecast for

Saint Michael-Sidman PA

  • Tonight

    Tonight: Cloudy, with a low around 23. West wind 15 to 17 mph, with gusts as high as 39 mph.

    Low: 23 °F

    Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 35. West wind 14 to 16 mph, with gusts as high as 30 mph.

    High: 35 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. West wind around 10 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 43. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 43 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 37. Southwest wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 37 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 1pm, then rain after 1pm. High near 41. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Chance
    Showers then
    Rain

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 1am. Low around 24. Chance of precipitation is 80%.

    Low: 24 °F

    Rain/Snow

  • Thursday

    Thursday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.

    High: 28 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.

    Low: 15 °F

    Chance Snow

Detailed Forecast

Tonight
Cloudy, with a low around 23. West wind 15 to 17 mph, with gusts as high as 39 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 35. West wind 14 to 16 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 28. West wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Increasing clouds, with a high near 43. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 37. Southwest wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers before 1pm, then rain after 1pm. High near 41. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain and snow, becoming all snow after 1am. Low around 24. Chance of precipitation is 80%.
Thursday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 26.
Friday Night
Partly cloudy, with a low around 18.
Saturday
A chance of snow showers. Partly sunny, with a high near 31. Chance of precipitation is 40%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 25. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Michael-Sidman PA
 40.33°N 78.75°W (Elev. 1696 ft)
Last Update:
10:06 pm EST Jan 11, 2026
Forecast Valid:
11pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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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