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

59°F

15°C

Humidity 90%
Wind Speed NA
Barometer 30.01 in (1016.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 12 Oct 2:54 pm EDT
Extended Forecast for

Saint Michael-Sidman PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Southwest wind 5 to 8 mph.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 2am, then a slight chance of showers after 5am. Partly cloudy, with a low around 64. Southwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 74. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 53. West wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm. Partly sunny, with a high near 65. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly after 8pm. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Showers

  • Friday

    Friday: Showers. High near 66. Breezy. Chance of precipitation is 80%.

    High: 66 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 37. Breezy. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. Southwest wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 78. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.
Tuesday Night
A slight chance of showers before 2am, then a slight chance of showers after 5am. Partly cloudy, with a low around 64. Southwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 74. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 53. West wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 65. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers, mainly after 8pm. Low around 56. Chance of precipitation is 80%.
Friday
Showers. High near 66. Breezy. Chance of precipitation is 80%.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 37. Breezy. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 47. Breezy.
Saturday Night
Widespread frost. Otherwise, mostly clear, with a low around 31.
Sunday
Widespread frost. Otherwise, sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Michael-Sidman PA
 40.33°N 78.78°W (Elev. 1798 ft)
Last Update:
3:03 pm EDT Oct 12, 2026
Forecast Valid:
3pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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