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

32°F

0°C

Humidity 79%
Wind Speed W 8 mph
Barometer 29.96 in (1016.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 7 Dec 4:54 pm EST
Extended Forecast for

4 Miles SSE Carrolltown PA

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 13. West wind 7 to 9 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 13 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 23. East wind around 7 mph.

    High: 23 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 9. Wind chill values as low as zero. Light and variable wind becoming southeast around 6 mph in the evening.

    Low: 9 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 33. South wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 33 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am, mixing with rain after 4am. Mostly cloudy, with a low around 29. Southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow, mainly after 7am. High near 40. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow likely before 1am, then a chance of snow showers after 1am. Cloudy, with a low around 24. Chance of precipitation is 70%.

    Low: 24 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 40%.

    High: 30 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.

    Low: 18 °F

    Snow Showers
    Likely

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 13. West wind 7 to 9 mph becoming north after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 23. East wind around 7 mph.
Monday Night
Partly cloudy, with a low around 9. Wind chill values as low as zero. Light and variable wind becoming southeast around 6 mph in the evening.
Tuesday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 33. South wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of snow after 1am, mixing with rain after 4am. Mostly cloudy, with a low around 29. Southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain and snow, mainly after 7am. High near 40. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely before 1am, then a chance of snow showers after 1am. Cloudy, with a low around 24. Chance of precipitation is 70%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 40%.
Thursday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 27. Chance of precipitation is 50%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 11. Chance of precipitation is 50%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 20. Chance of precipitation is 50%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 10. Chance of precipitation is 40%.
Sunday
Mostly cloudy, with a high near 18.
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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:
1:28 pm EST Dec 7, 2025
Forecast Valid:
5pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
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