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

50°F

10°C

Humidity 96%
Wind Speed W 12 mph
Barometer 29.69 in (1004.4 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 23 Mar 4:54 am EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Overnight

    Overnight: A chance of showers. Cloudy, with a steady temperature around 49. Northwest wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance
    Showers

  • Monday

    Monday: Rain showers likely before 11am, then a slight chance of snow showers after 5pm. Cloudy, with a temperature falling to around 36 by 11am. Northwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F⇓

    Showers
    Likely then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22. Northwest wind 10 to 17 mph, with gusts as high as 30 mph.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 46. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. West wind around 5 mph becoming light and variable.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 30%.

    High: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly after 8pm. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Showers

Detailed Forecast

Overnight
A chance of showers. Cloudy, with a steady temperature around 49. Northwest wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain showers likely before 11am, then a slight chance of snow showers after 5pm. Cloudy, with a temperature falling to around 36 by 11am. Northwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, with a low around 22. Northwest wind 10 to 17 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 46. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 31. West wind around 5 mph becoming light and variable.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
A chance of showers after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 30%.
Thursday Night
Showers, mainly after 8pm. Low around 41. Chance of precipitation is 80%.
Friday
Showers, mainly before 8am. High near 47. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnstown-Cambria County Airport PA
 40.31°N 78.84°W (Elev. 2221 ft)
Last Update:
2:16 am EDT Mar 23, 2026
Forecast Valid:
5am EDT Mar 23, 2026-6pm EDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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