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.

Fair

40°F

4°C

Humidity 93%
Wind Speed S 7 mph
Barometer 30.18 in (1023.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 27 Apr 6:54 am EDT
Extended Forecast for

Paint PASimilar City Names

  • Today

    Today: Patchy frost before 8am. Otherwise, sunny, with a high near 66. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 66 °F

    Patchy Frost
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 46. Southeast wind 8 to 10 mph, with gusts as high as 23 mph.

    Low: 46 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 2pm. High near 63. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 64. Calm wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Showers
    Likely then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 41. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy frost before 8am. Otherwise, sunny, with a high near 66. Light southeast wind increasing to 5 to 10 mph in the morning.
Tonight
Increasing clouds, with a low around 46. Southeast wind 8 to 10 mph, with gusts as high as 23 mph.
Tuesday
Showers, with thunderstorms also possible after 2pm. High near 63. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 64. Calm wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 41. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Partly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 53.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Paint PASimilar City Names
 40.25°N 78.85°W (Elev. 1683 ft)
Last Update:
6:30 am EDT Apr 27, 2026
Forecast Valid:
7am EDT Apr 27, 2026-6pm EDT May 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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