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

30°F

-1°C

Humidity 56%
Wind Speed SW 10 G 21 mph
Barometer 30.07 in (1021.1 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 12 Jan 11:54 pm EST
Extended Forecast for

Brownstown PA

  • Overnight

    Overnight: Clear, with a low around 28. Southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 46. Southwest wind around 8 mph, with gusts as high as 21 mph.

    High: 46 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly after 4am. Mostly cloudy, with a low around 38. Southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain, mainly after 1pm. High near 43. Southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Chance Rain
    then Rain

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain before 1am, then a chance of snow. Low around 17. Light west wind increasing to 5 to 9 mph in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Rain/Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 24. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 24 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Clear, with a low around 28. Southwest wind around 9 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 46. Southwest wind around 8 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 38. Southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly after 1pm. High near 43. Southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Snow, possibly mixed with rain before 1am, then a chance of snow. Low around 17. Light west wind increasing to 5 to 9 mph in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
A chance of snow. Mostly cloudy, with a high near 24. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 28.
Friday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Saturday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 23. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 8.
M.L.King Day
Partly sunny, with a high near 22.
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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:
12:26 am EST Jan 13, 2026
Forecast Valid:
12am EST Jan 13, 2026-6pm EST Jan 19, 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