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

58°F

14°C

Humidity 58%
Wind Speed W 8 mph
Barometer 29.81 in (1009.7 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 11 Nov 2:54 pm EST
Extended Forecast for

Jerome PA

  • Tonight

    Tonight: A slight chance of showers after 4am. Mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 20%.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers. High near 50. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of rain showers before 2am, then a chance of rain and snow showers between 2am and 5am, then a slight chance of rain showers after 5am. Cloudy, with a low around 30. Northwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Friday

    Friday: A chance of snow showers, mainly after 7am. Mostly cloudy, with a high near 40. Northwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 40 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 27. Northwest wind 3 to 7 mph. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers. Mostly cloudy, with a high near 40. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 40 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A chance of snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: A chance of snow showers before 10am, then a chance of rain and snow showers between 10am and 1pm, then a chance of rain showers after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.

    High: 41 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers after 4am. Mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 20%.
Thursday
Showers. High near 50. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of rain showers before 2am, then a chance of rain and snow showers between 2am and 5am, then a slight chance of rain showers after 5am. Cloudy, with a low around 30. Northwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow showers, mainly after 7am. Mostly cloudy, with a high near 40. Northwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Friday Night
A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 27. Northwest wind 3 to 7 mph. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 40. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Sunday
A chance of snow showers before 10am, then a chance of rain and snow showers between 10am and 1pm, then a chance of rain showers after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jerome PA
 40.24°N 79°W (Elev. 1781 ft)
Last Update:
2:26 pm EST Nov 11, 2026
Forecast Valid:
3pm EST Nov 11, 2026-6pm EST Nov 18, 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