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

50°F

10°C

Humidity 74%
Wind Speed SE 5 mph
Barometer 29.68 in (1005.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 11 Nov 10:54 pm EST
Extended Forecast for

Saint Michael-Sidman PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers. High near 50. Calm wind becoming northwest 5 to 9 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of rain showers before 2am, then a chance of snow showers between 2am and 4am. Mostly cloudy, with a low around 32. Northwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of snow showers after 7am. Mostly cloudy, with a high near 40. Northwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 28. Northwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

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

    High: 40 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A chance of snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: A chance of snow showers before 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. Calm wind.
Thursday
Showers. High near 50. Calm wind becoming northwest 5 to 9 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain showers before 2am, then a chance of snow showers between 2am and 4am. Mostly cloudy, with a low around 32. Northwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of snow showers after 7am. Mostly cloudy, with a high near 40. Northwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 28. Northwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Saturday
A chance of snow showers, mainly after 1pm. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Sunday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
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:
11:14 pm EST Nov 11, 2026
Forecast Valid:
11pm EST Nov 11, 2026-6pm EST Nov 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