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

62°F

17°C

Humidity 84%
Wind Speed Calm
Barometer 30.09 in (1018.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 4 Aug 12:54 am EDT
Extended Forecast for

Loretto PA

  • Overnight

    Overnight: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 80. Calm wind becoming southeast around 6 mph in the morning.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. Southeast wind around 6 mph.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 79. Southeast wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 65. South wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly after 2pm. High near 80. Chance of precipitation is 80%.

    High: 80 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 53. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 80. Calm wind becoming southeast around 6 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 62. Southeast wind around 6 mph.
Wednesday
A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 79. Southeast wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 65. South wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 66. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm, mainly after 2pm. High near 80. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 64. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 66.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Loretto PA
 40.51°N 78.63°W (Elev. 1998 ft)
Last Update:
12:36 am EDT Aug 4, 2026
Forecast Valid:
1am EDT Aug 4, 2026-6pm EDT Aug 10, 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