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

70°F

21°C

Humidity 79%
Wind Speed SW 8 mph
Barometer 29.95 in (1013.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 12 Aug 5:54 pm EDT
Extended Forecast for

2 Miles SW Loretto PA

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 65. West wind 5 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 78. West wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers after 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Friday

    Friday: A chance of showers. Patchy fog before 9am. Otherwise, partly sunny, with a high near 77. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 77 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Partly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 65. West wind 5 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 78. West wind 6 to 9 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms before 1am, then a slight chance of showers after 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
A chance of showers. Patchy fog before 9am. Otherwise, partly sunny, with a high near 77. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 57. Calm wind.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Monday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Monday Night
A chance of showers. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Loretto PA
 40.47°N 78.67°W (Elev. 1877 ft)
Last Update:
2:41 pm EDT Aug 12, 2026
Forecast Valid:
6pm EDT Aug 12, 2026-6pm EDT Aug 19, 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