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

27°F

-3°C

Humidity 69%
Wind Speed S 8 mph
Barometer 29.85 in (1013.6 mb)
Dewpoint 18°F (-8°C)
Visibility NA
Wind Chill19°F (-7°C)
Last update 11 Nov 9:54 pm EST
Extended Forecast for

2 Miles SSW Twin Rocks PA

  • Tonight

    Tonight: A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 28. Southwest wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A chance of rain and snow showers before noon, then a chance of rain showers between noon and 4pm. Cloudy, with a high near 42. West wind 15 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of snow showers before 7pm, then a chance of rain and snow showers between 7pm and 1am, then a chance of snow showers after 1am. Mostly cloudy, with a low around 32. West wind around 17 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: Partly sunny, with a high near 44. West wind 14 to 16 mph, with gusts as high as 31 mph.

    High: 44 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. West wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 1pm. Partly sunny, with a high near 52. Chance of precipitation is 30%.

    High: 52 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely

Detailed Forecast

Tonight
A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 28. Southwest wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow showers before noon, then a chance of rain showers between noon and 4pm. Cloudy, with a high near 42. West wind 15 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of snow showers before 7pm, then a chance of rain and snow showers between 7pm and 1am, then a chance of snow showers after 1am. Mostly cloudy, with a low around 32. West wind around 17 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, with a high near 44. West wind 14 to 16 mph, with gusts as high as 31 mph.
Thursday Night
Partly cloudy, with a low around 31. West wind 8 to 10 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 31.
Saturday
A chance of showers after 1pm. Partly sunny, with a high near 52. Chance of precipitation is 30%.
Saturday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 56. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 46.
Monday Night
A chance of showers. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 47. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Twin Rocks PA
 40.49°N 78.87°W (Elev. 1598 ft)
Last Update:
3:04 pm EST Nov 11, 2025
Forecast Valid:
10pm EST Nov 11, 2025-6pm EST Nov 18, 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