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

48°F

9°C

Humidity 63%
Wind Speed S 5 mph
Barometer 29.97 in (1015.2 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 11 Nov 8:54 am EST
Extended Forecast for

3 Miles ESE Twin Rocks PA

  • Veterans Day

    Veterans Day: Mostly cloudy, with a high near 59. Southwest wind around 5 mph becoming calm in the afternoon.

    High: 59 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of rain after 3am. Mostly cloudy, with a low around 44. South wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain before 3pm, then rain likely after 4pm. High near 46. Southwest wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely before 10pm, then a chance of rain and snow between 10pm and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 31. Northwest wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain/Snow
    Likely

  • Friday

    Friday: A chance of snow showers before 10am, then a chance of rain and snow showers. Mostly cloudy, with a high near 38. Northwest wind around 13 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 38 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of rain and snow showers. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

Detailed Forecast

Veterans Day
Mostly cloudy, with a high near 59. Southwest wind around 5 mph becoming calm in the afternoon.
Tonight
A chance of rain after 3am. Mostly cloudy, with a low around 44. South wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain before 3pm, then rain likely after 4pm. High near 46. Southwest wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely before 10pm, then a chance of rain and snow between 10pm and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 31. Northwest wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
A chance of snow showers before 10am, then a chance of rain and snow showers. Mostly cloudy, with a high near 38. Northwest wind around 13 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Mostly cloudy, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Twin Rocks PA
 40.51°N 78.81°W (Elev. 2221 ft)
Last Update:
7:06 am EST Nov 11, 2026
Forecast Valid:
9am EST Nov 11, 2026-6pm EST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation