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

61°F

16°C

Humidity 65%
Wind Speed SW 7 mph
Barometer 30.04 in (1016.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 10 Mar 10:54 am EDT
Extended Forecast for

Brownstown PA

  • Today

    Today: A slight chance of showers after 3pm. Mostly sunny, with a high near 74. Southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly before 11pm. Partly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance
    Showers then
    Partly Cloudy

  • 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 6 to 11 mph, with gusts as high as 28 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 35. West wind around 10 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Severe
    Thunderstorms
    then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow showers likely before 8am. Mostly cloudy, with a high near 42. Northwest wind 11 to 13 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    Likely then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: A 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: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers after 3pm. Mostly sunny, with a high near 74. Southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
A chance of showers, mainly before 11pm. Partly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
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 6 to 11 mph, with gusts as high as 28 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 35. West wind around 10 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 before 8am. Mostly cloudy, with a high near 42. Northwest wind 11 to 13 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 28.
Friday
A 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
Mostly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.
Sunday Night
Rain and snow showers. Low around 35. Chance of precipitation is 80%.
Monday
Rain and snow showers. High near 43. 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 78.95°W (Elev. 1302 ft)
Last Update:
8:05 am EDT Mar 10, 2026
Forecast Valid:
11am EDT Mar 10, 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