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

44°F

7°C

Humidity 65%
Wind Speed SE 6 mph
Barometer 30.18 in (1022.9 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 2 Nov 11:54 pm EST
Extended Forecast for

2 Miles SSW Twin Rocks PA

  • Overnight

    Overnight: Mostly clear, with a low around 38. South wind around 6 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 54. South wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 31 mph.

    High: 54 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 37. West wind 11 to 14 mph, with gusts as high as 28 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 53. West wind 10 to 13 mph, with gusts as high as 25 mph.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. South wind around 6 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 1pm. Mostly sunny, with a high near 59. Chance of precipitation is 20%.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 38. South wind around 6 mph.
Monday
Increasing clouds, with a high near 54. South wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 31 mph.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 37. West wind 11 to 14 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 53. West wind 10 to 13 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 39. South wind around 6 mph.
Wednesday
A slight chance of showers after 1pm. Mostly sunny, with a high near 59. Chance of precipitation is 20%.
Wednesday Night
Showers likely before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
A chance of showers after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
Friday Night
Showers. Low around 45. Chance of precipitation is 80%.
Saturday
A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Twin Rocks PA
 40.51°N 78.87°W (Elev. 1831 ft)
Last Update:
11:31 pm EST Nov 2, 2025
Forecast Valid:
12am EST Nov 3, 2025-6pm EST Nov 9, 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