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

55°F

13°C

Humidity 93%
Wind Speed SW 8 mph
Barometer 30.02 in (1016.3 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 12 Oct 10:54 pm EDT
Extended Forecast for

2 Miles S Twin Rocks PA

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Southwest wind around 6 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Southwest wind 7 to 11 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 2am, then a slight chance of showers after 5am. Partly cloudy, with a low around 63. Southwest wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely after 11am. Mostly cloudy, with a high near 73. West wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 52. West wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 20%.

    High: 66 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly after 8pm. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Showers

  • Friday

    Friday: Showers. High near 66. Breezy. Chance of precipitation is 80%.

    High: 66 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely then
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 78. Southwest wind 7 to 11 mph, with gusts as high as 25 mph.
Tuesday Night
A slight chance of showers before 2am, then a slight chance of showers after 5am. Partly cloudy, with a low around 63. Southwest wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms, then showers likely after 11am. Mostly cloudy, with a high near 73. West wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 52. West wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A slight chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 20%.
Thursday Night
Showers, mainly after 8pm. Low around 56. Chance of precipitation is 80%.
Friday
Showers. High near 66. Breezy. Chance of precipitation is 80%.
Friday Night
Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Saturday
A chance of snow showers before 8am. Partly sunny, with a high near 47. Chance of precipitation is 30%.
Saturday Night
Widespread frost. Otherwise, mostly clear, with a low around 30.
Sunday
Widespread frost. Otherwise, sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Twin Rocks PA
 40.51°N 78.87°W (Elev. 1831 ft)
Last Update:
8:05 pm EDT Oct 12, 2026
Forecast Valid:
11pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026
 
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