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.

Overcast

42°F

6°C

Humidity 92%
Wind Speed W 10 mph
Barometer 29.90 in (1013.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 14 May 8:54 pm EDT
Extended Forecast for

Brownstown PA

  • Tonight

    Tonight: A slight chance of showers before 10pm. Cloudy, with a low around 43. Northwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    Showers then
    Cloudy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 68. Northwest wind 5 to 7 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

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

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers before 10pm. Cloudy, with a low around 43. Northwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 68. Northwest wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 48. Calm wind.
Saturday
Mostly sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Sunny and hot, with a high near 93.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny and hot, with a high near 92.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brownstown PA
 40.34°N 78.95°W (Elev. 1302 ft)
Last Update:
8:05 pm EDT May 14, 2026
Forecast Valid:
9pm EDT May 14, 2026-6pm EDT May 21, 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