Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Rain Fog/Mist

66°F

19°C

Humidity 100%
Wind Speed SW 9 mph
Barometer 29.80 in (1007.7 mb)
Dewpoint 66°F (19°C)
Visibility 4.00 mi
Last update 3 Aug 3:54 am EDT
Extended Forecast for

Jerome PA

  • Overnight

    Overnight: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. Light southwest wind.  Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 76. Northwest wind 5 to 8 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Patchy fog after midnight.  Otherwise, mostly clear, with a low around 55. Light north wind.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 80. Light and variable wind.

    High: 80 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. Light southeast wind.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 82. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 82. Chance of precipitation is 80%.

    High: 82 °F

    Chance
    T-storms then
    Showers

  • Thursday Night

    Thursday Night: Showers before 8pm.  Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Light southwest wind. Chance of precipitation is 20%.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 76. Northwest wind 5 to 8 mph.
Monday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 55. Light north wind.
Tuesday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 80. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 62. Light southeast wind.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 82. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
A chance of thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 82. Chance of precipitation is 80%.
Thursday Night
Showers before 8pm. Low around 66. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Jerome PA
 40.24°N 79°W (Elev. 1781 ft)
2:21 am EDT Aug 3, 2026
4am EDT Aug 3, 2026-6pm EDT Aug 9, 2026
 
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Additional Resources

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