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 78%
Wind Speed SW 16 G 26 mph
Barometer 29.96 in (1015.0 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 9 Jan 4:54 pm EST
Extended Forecast for

Brownstown PA

  • This Afternoon

    This Afternoon: A chance of showers. Mostly cloudy, with a high near 59. Southwest wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 34 mph.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain, mainly after 11am. Patchy fog before 8am. High near 48. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain Likely
    and Patchy
    Fog then Rain

  • Saturday Night

    Saturday Night: Rain before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Low around 28. South wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 28 °F

    Rain then
    Rain/Snow

  • Sunday

    Sunday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 34. West wind 10 to 15 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Snow Showers

  • Monday

    Monday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Monday Night

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

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers. Mostly cloudy, with a high near 59. Southwest wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, with a low around 37. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 34 mph.
Saturday
Rain, mainly after 11am. Patchy fog before 8am. High near 48. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Low around 28. South wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 34. West wind 10 to 15 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 36.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Rain likely. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Thursday
A chance of snow. Partly sunny, with a high near 29. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
A chance of snow. Partly sunny, with a high near 30.
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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:
4:16 pm EST Jan 9, 2026
Forecast Valid:
5pm EST Jan 9, 2026-6pm EST Jan 16, 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