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.

Mostly Cloudy

61°F

16°C

Humidity 84%
Wind Speed W 14 G 23 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 12 Oct 3:54 pm EDT
Extended Forecast for

Jerome PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. West wind 5 to 7 mph becoming south after midnight.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 77 °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. West wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely after 2pm. Mostly cloudy, with a high near 74. West wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 53. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Chance
    Showers then
    Showers

  • Friday

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

    High: 66 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

    Low: 35 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. West wind 5 to 7 mph becoming south after midnight.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 7 to 13 mph, with gusts as high as 22 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. West wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms, then showers likely after 2pm. Mostly cloudy, with a high near 74. West wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall 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 53. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers, mainly after 2am. Low around 55. Chance of precipitation is 80%.
Friday
Showers. High near 66. Breezy. Chance of precipitation is 80%.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 47.
Saturday Night
Widespread frost. Otherwise, mostly clear, with a low around 29.
Sunday
Widespread frost. Otherwise, sunny, with a high near 56.
Sunday Night
Areas of frost. Otherwise, mostly clear, with a low around 36.
Monday
Areas of frost. Otherwise, mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Jerome PA
 40.21°N 78.97°W (Elev. 1883 ft)
Last Update:
3:03 pm EDT Oct 12, 2026
Forecast Valid:
4pm EDT Oct 12, 2026-6pm EDT Oct 19, 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