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 and Breezy

33°F

1°C

Humidity 64%
Wind Speed W 21 G 30 mph
Barometer 29.69 in (1007.2 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 17 Nov 1:54 am EST
Extended Forecast for

Saint Michael-Sidman PA

  • Overnight

    Overnight: A chance of snow showers. Cloudy, with a low around 30. Breezy, with a west wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Snow
    Showers and
    Breezy

  • Monday

    Monday: A slight chance of snow showers before 10am. Mostly cloudy, with a high near 38. Breezy, with a west wind 16 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    High: 38 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 26. West wind 5 to 11 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow showers before 1pm, then rain and snow showers likely between 1pm and 4pm, then rain showers likely after 4pm. Increasing clouds, with a high near 39. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 39 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Cloudy, with a low around 33. Light southeast wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 37.

    Low: 37 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 50.

    High: 50 °F

    Cloudy

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Overnight
A chance of snow showers. Cloudy, with a low around 30. Breezy, with a west wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Monday
A slight chance of snow showers before 10am. Mostly cloudy, with a high near 38. Breezy, with a west wind 16 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 26. West wind 5 to 11 mph, with gusts as high as 24 mph.
Tuesday
A chance of snow showers before 1pm, then rain and snow showers likely between 1pm and 4pm, then rain showers likely after 4pm. Increasing clouds, with a high near 39. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday Night
Showers likely, mainly before 1am. Cloudy, with a low around 33. Light southeast wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
Cloudy, with a low around 37.
Thursday
Cloudy, with a high near 50.
Thursday Night
Showers likely, mainly after 1am. Cloudy, with a low around 42. Chance of precipitation is 70%.
Friday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Friday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 49. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 51.
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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:
2:16 am EST Nov 17, 2025
Forecast Valid:
2am EST Nov 17, 2025-6pm EST Nov 23, 2025
 
Forecast Discussion
 
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Additional Resources

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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