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

55°F

13°C

Humidity 87%
Wind Speed SW 9 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 29 Aug 2:54 am EDT
Extended Forecast for

2 Miles SSW Twin Rocks PA

  • Overnight

    Overnight: A slight chance of showers. Cloudy, with a low around 55. West wind around 7 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 69. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 69 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. Northwest wind around 6 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. Light and variable wind.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers. Cloudy, with a low around 55. West wind around 7 mph. Chance of precipitation is 20%.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 69. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 45. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 70. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 48. Light and variable wind.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 52.
Labor Day
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
A chance of showers. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 50%.
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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:
2:48 am EDT Aug 29, 2025
Forecast Valid:
3am EDT Aug 29, 2025-6pm EDT Sep 4, 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