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

57°F

14°C

Humidity 93%
Wind Speed SW 6 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Oct 7:54 pm EDT
Extended Forecast for

Brownstown PA

  • Tonight

    Tonight: Partly cloudy, with a low around 56. South wind 3 to 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. South wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 2am, then a slight chance of showers after 5am. Partly cloudy, with a low around 64. West wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely after 2pm. Mostly cloudy, with a high near 76. West wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 54. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly after 8pm. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Friday

    Friday: Showers. High near 68. Breezy. Chance of precipitation is 80%.

    High: 68 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. South wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 81. South wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
A slight chance of showers before 2am, then a slight chance of showers after 5am. Partly cloudy, with a low around 64. West wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms, then showers likely after 2pm. Mostly cloudy, with a high near 76. West wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 54. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers, mainly after 8pm. Low around 57. Chance of precipitation is 80%.
Friday
Showers. High near 68. Breezy. Chance of precipitation is 80%.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 50. Breezy.
Saturday Night
Widespread frost. Otherwise, mostly clear, with a low around 30.
Sunday
Widespread frost. Otherwise, sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 64.
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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 Oct 12, 2026
Forecast Valid:
8pm EDT Oct 12, 2026-6pm EDT Oct 19, 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