National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Partly Cloudy

66°F

19°C

Humidity 54%
Wind Speed SW 16 G 25 mph
Barometer 29.87 in (1011.0 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 26 Mar 1:54 pm EDT
Extended Forecast for

Johnstown PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 72. Southwest wind around 11 mph, with gusts as high as 26 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

  • Tonight

    Tonight: Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 2am, then showers after 2am. Some of the storms could be severe and produce heavy rainfall. Low around 42. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 42 °F

    Severe
    Thunderstorms
    then Heavy
    Rain

  • Friday

    Friday: Showers, mainly before 8am. High near 50. North wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Showers then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23. Northwest wind around 6 mph.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 41. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 41 °F

    Sunny

  • Saturday Night

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

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Partly sunny, with a high near 62. Chance of precipitation is 40%.

    High: 62 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 72. Southwest wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 2am, then showers after 2am. Some of the storms could be severe and produce heavy rainfall. Low around 42. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday
Showers, mainly before 8am. High near 50. North wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 23. Northwest wind around 6 mph.
Saturday
Sunny, with a high near 41. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 62. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Johnstown PA
 40.32°N 78.93°W (Elev. 1670 ft)
Last Update:
2:21 pm EDT Mar 26, 2026
Forecast Valid:
2pm EDT Mar 26, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation