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

15°F

-9°C

Humidity 61%
Wind Speed NE 7 mph
Barometer 30.15 in (1024.3 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 8 Dec 8:54 am EST
Extended Forecast for

4 Miles SSE Carrolltown PA

  • Today

    Today: Mostly cloudy, with a high near 23. East wind 6 to 8 mph.

    High: 23 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 9. Wind chill values as low as zero. East wind around 6 mph becoming south after midnight.

    Low: 9 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 33. South wind 6 to 11 mph, with gusts as high as 24 mph.

    High: 33 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am, mixing with rain after 4am. Mostly cloudy, with a low around 28. Southwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow. High near 39. Southwest wind 15 to 18 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow likely, possibly mixed with rain, becoming all snow after 10pm. Cloudy, with a low around 23. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.

    High: 27 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.

    Low: 18 °F

    Chance Snow

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 27. Chance of precipitation is 50%.

    High: 27 °F

    Chance Snow

Detailed Forecast

Today
Mostly cloudy, with a high near 23. East wind 6 to 8 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 9. Wind chill values as low as zero. East wind around 6 mph becoming south after midnight.
Tuesday
Mostly cloudy, with a high near 33. South wind 6 to 11 mph, with gusts as high as 24 mph.
Tuesday Night
A chance of snow after 1am, mixing with rain after 4am. Mostly cloudy, with a low around 28. Southwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow. High near 39. Southwest wind 15 to 18 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely, possibly mixed with rain, becoming all snow after 10pm. Cloudy, with a low around 23. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday
A chance of snow. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Friday
A chance of snow. Mostly cloudy, with a high near 27. Chance of precipitation is 50%.
Friday Night
Snow likely. Mostly cloudy, with a low around 11. Chance of precipitation is 70%.
Saturday
A chance of snow. Mostly cloudy, with a high near 18. Chance of precipitation is 50%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 9. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 19. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Carrolltown PA
 40.54°N 78.69°W (Elev. 1952 ft)
Last Update:
7:25 am EST Dec 8, 2025
Forecast Valid:
10am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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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