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

37°F

3°C

Humidity 57%
Wind Speed W 9 mph
Barometer 30.08 in (1020.2 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 13 Nov 9:54 pm EST
Extended Forecast for

Brownstown PA

  • Tonight

    Tonight: Mostly clear, with a low around 31. West wind around 6 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 51. West wind 3 to 8 mph.

    High: 51 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37. Light southwest wind.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain likely, mainly after 1pm. Cloudy, with a high near 61. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance Rain
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Periods of rain. Low around 40. Southwest wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Sunday

    Sunday: A chance of showers before 1pm. Partly sunny, with a high near 50. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 31. West wind around 6 mph.
Friday
Increasing clouds, with a high near 51. West wind 3 to 8 mph.
Friday Night
Mostly cloudy, with a low around 37. Light southwest wind.
Saturday
Rain likely, mainly after 1pm. Cloudy, with a high near 61. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Periods of rain. Low around 40. Southwest wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of showers before 1pm. Partly sunny, with a high near 50. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
A chance of rain. Partly sunny, with a high near 47. Chance of precipitation is 40%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Thursday
A chance of rain. Mostly cloudy, with a high near 55. 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:
7:05 pm EST Nov 13, 2025
Forecast Valid:
10pm EST Nov 13, 2025-6pm EST Nov 20, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation