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

58°F

14°C

Humidity 65%
Wind Speed W 10 mph
Barometer 29.94 in (1012.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Jun 3:54 am EDT
Extended Forecast for

Loretto PA

  • Today

    Today: A slight chance of showers between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 71. West wind 8 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 53. West wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 58. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain and possibly a thunderstorm. High near 71. Southeast wind around 11 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 71 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain and thunderstorms before 8pm, then a chance of rain between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    T-storms then
    Chance Rain

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 71. West wind 8 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 53. West wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Partly sunny, with a high near 74. West wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Rain, mainly after 2am. Low around 58. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain and possibly a thunderstorm. High near 71. Southeast wind around 11 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
A chance of rain and thunderstorms before 8pm, then a chance of rain between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Loretto PA
 40.52°N 78.66°W (Elev. 1896 ft)
Last Update:
2:16 am EDT Jun 20, 2026
Forecast Valid:
4am EDT Jun 20, 2026-6pm EDT Jun 26, 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