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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

47°F

8°C

Humidity 97%
Wind Speed SE 9 G 18 mph
Barometer 30.23 in (1024.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 24 May 7:54 am EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Today

    Today: A chance of showers and thunderstorms, mainly after 4pm. Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 63. Southeast wind around 10 mph. Chance of precipitation is 30%.

    High: 63 °F

    Areas Fog
    then Chance
    T-storms and
    Areas Fog

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers likely. Low around 60. Southeast wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers

  • Memorial Day

    Memorial Day: A chance of showers before 9am, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 72. Northwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers before 8pm, then a slight chance of showers after 2am. Increasing clouds, with a low around 59. Calm wind. Chance of precipitation is 20%.

    Low: 59 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Southeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 20%.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 4pm. Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 63. Southeast wind around 10 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms before 2am, then showers likely. Low around 60. Southeast wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Memorial Day
A chance of showers before 9am, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 72. Northwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A slight chance of showers before 8pm, then a slight chance of showers after 2am. Increasing clouds, with a low around 59. Calm wind. Chance of precipitation is 20%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Southeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A slight chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 20%.
Wednesday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 53.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 69.
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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:
8:06 am EDT May 24, 2026
Forecast Valid:
8am EDT May 24, 2026-6pm EDT May 30, 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