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.

Partly Cloudy

65°F

18°C

Humidity 54%
Wind Speed SW 7 mph
Barometer 30.20 in (1021.8 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 2 Sep 10:54 am EDT
Extended Forecast for

Saint Michael-Sidman PA

  • Today

    Today: Isolated showers. Partly sunny, with a high near 72. East wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 72 °F

    Isolated
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 77. Calm wind becoming south around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. South wind around 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 74. South wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 56. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 8am. Partly sunny, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Today
Isolated showers. Partly sunny, with a high near 72. East wind 3 to 5 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 53. Calm wind.
Wednesday
Sunny, with a high near 77. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 56. South wind around 5 mph.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 74. South wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 56. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 56.
Saturday
A chance of showers after 8am. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 70.
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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:
7:13 am EDT Sep 2, 2025
Forecast Valid:
11am EDT Sep 2, 2025-6pm EDT Sep 8, 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