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

67°F

19°C

Humidity 87%
Wind Speed S 5 mph
Barometer 30.04 in (1016.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 Aug 10:54 pm EDT
Extended Forecast for

2 Miles N Brownstown PA

  • Tonight

    Tonight: A chance of showers and thunderstorms after 3am. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 76. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Showers

  • Thursday Night

    Thursday Night: Areas of fog after 3am. Otherwise, partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy
    then Areas
    Fog

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 80 °F

    Areas Fog
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers after 8am. Partly sunny, with a high near 76. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms after 3am. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 76. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Areas of fog after 3am. Otherwise, partly cloudy, with a low around 57. Calm wind.
Friday
A chance of showers and thunderstorms after 2pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Brownstown PA
 40.37°N 78.95°W (Elev. 1198 ft)
Last Update:
8:11 pm EDT Aug 19, 2026
Forecast Valid:
11pm EDT Aug 19, 2026-6pm EDT Aug 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