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

74°F

23°C

Humidity 43%
Wind Speed Vrbl 6 mph
Barometer 30.24 in (1022.7 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 4 Aug 2:54 pm EDT
Extended Forecast for

Lilly PASimilar City Names

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. East wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 79. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 79 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 61. Southeast wind 3 to 5 mph.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly cloudy, with a high near 77. Southeast wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 77 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Partly cloudy, with a low around 60. Southeast wind around 7 mph. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 60. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 79. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 61. Southeast wind 3 to 5 mph.
Wednesday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 77. Southeast wind 5 to 9 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 60. Southeast wind around 7 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 67.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lilly PASimilar City Names
 40.42°N 78.62°W (Elev. 1906 ft)
Last Update:
2:37 pm EDT Aug 4, 2025
Forecast Valid:
3pm EDT Aug 4, 2025-6pm EDT Aug 11, 2025
 
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