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.

Mostly Cloudy

37°F

3°C

Humidity 41%
Wind Speed Calm
Barometer 30.27 in (1027.0 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 25 Mar 12:54 am EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 56. Southeast wind 5 to 10 mph.

    High: 56 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. South wind around 10 mph.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain, mainly after 2pm. Partly sunny, with a high near 67. Southwest wind 11 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    High: 67 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain before 11pm, then rain and possibly a thunderstorm between 11pm and 2am, then rain after 2am. Low around 41. Southwest wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Rain

  • Friday

    Friday: A chance of rain before 2pm. Mostly cloudy, with a high near 46. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 32. Calm wind.
Wednesday
Mostly cloudy, with a high near 56. Southeast wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 47. South wind around 10 mph.
Thursday
A chance of rain, mainly after 2pm. Partly sunny, with a high near 67. Southwest wind 11 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Thursday Night
Rain before 11pm, then rain and possibly a thunderstorm between 11pm and 2am, then rain after 2am. Low around 41. Southwest wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A chance of rain before 2pm. Mostly cloudy, with a high near 46. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
A chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 30%.
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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:
1:16 am EDT Mar 25, 2026
Forecast Valid:
1am EDT Mar 25, 2026-6pm EDT Mar 31, 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