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

56°F

13°C

Humidity 33%
Wind Speed SW 7 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 9 Mar 10:54 pm EDT
Extended Forecast for

Brownstown PA

  • Tonight

    Tonight: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers before 4pm, then a slight chance of showers after 5pm. Partly sunny, with a high near 72. Light and variable wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 72 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 8pm, then a chance of showers after 2am. Partly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could be severe. High near 75. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers then
    Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: Rain showers before 5am, then rain and snow showers likely. Some thunder is also possible. Low around 34. Southwest wind 9 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 34 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow showers likely, mainly before 8am. Mostly cloudy, with a high near 43. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow
    Likely then
    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: A chance of snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 51. Chance of precipitation is 50%.

    High: 51 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain showers, mixing with snow after 8pm, then gradually ending. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Calm wind.
Tuesday
A slight chance of showers before 4pm, then a slight chance of showers after 5pm. Partly sunny, with a high near 72. Light and variable wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers before 8pm, then a chance of showers after 2am. Partly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%.
Wednesday
Showers and thunderstorms before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could be severe. High near 75. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain showers before 5am, then rain and snow showers likely. Some thunder is also possible. Low around 34. Southwest wind 9 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Rain and snow showers likely, mainly before 8am. Mostly cloudy, with a high near 43. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 27.
Friday
A chance of snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 51. Chance of precipitation is 50%.
Friday Night
A chance of rain showers, mixing with snow after 8pm, then gradually ending. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 48.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Sunday Night
Rain and snow showers. Low around 32. Chance of precipitation is 80%.
Monday
Rain and snow showers. High near 41. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brownstown PA
 40.34°N 78.92°W (Elev. 1388 ft)
Last Update:
8:06 pm EDT Mar 9, 2026
Forecast Valid:
11pm EDT Mar 9, 2026-6pm EDT Mar 16, 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