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

68°F

20°C

Humidity 59%
Wind Speed W 10 G 24 mph
Barometer 30.01 in (1015.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 10 Mar 4:54 pm EDT
Extended Forecast for

Brownstown PA

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Light and variable wind.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10am. Some of the storms could be severe. High near 76. Southwest wind 5 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: Rain showers before 5am, then rain and snow showers likely. Some thunder is also possible. Low around 33. West wind around 14 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Severe
    Thunderstorms
    then
    Rain/Snow

  • Thursday

    Thursday: Snow showers likely, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 44. Northwest wind around 16 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Snow Showers
    Likely then
    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of rain and snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.

    High: 53 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of showers before 8pm. Partly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. Light and variable wind.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10am. Some of the storms could be severe. High near 76. Southwest wind 5 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain showers before 5am, then rain and snow showers likely. Some thunder is also possible. Low around 33. West wind around 14 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers likely, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 44. Northwest wind around 16 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm in the evening.
Friday
A slight chance of rain and snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.
Sunday Night
Showers. Low around 36. Chance of precipitation is 80%.
Monday
Rain and snow showers. High near 49. Chance of precipitation is 80%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 31.
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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:
2:36 pm EDT Mar 10, 2026
Forecast Valid:
5pm EDT Mar 10, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation