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.

Fog/Mist

69°F

21°C

Humidity 100%
Wind Speed W 10 mph
Barometer 29.96 in (1013.0 mb)
Dewpoint 69°F (21°C)
Visibility 0.75 mi
Last update 17 Aug 12:54 am EDT
Extended Forecast for

4 Miles WNW Imler PA

  • Overnight

    Overnight: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 68. West wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A chance of showers and thunderstorms, mainly between noon and 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 77. Northwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Northwest wind 3 to 7 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. Northwest wind 3 to 8 mph.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. Light west wind.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 20%.

    High: 77 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 68. West wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, mainly between noon and 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 77. Northwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 59. Northwest wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 74. Northwest wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 59. Light west wind.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Thursday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 57.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Imler PA
 40.27°N 78.62°W (Elev. 2126 ft)
Last Update:
10:11 pm EDT Aug 16, 2026
Forecast Valid:
1am EDT Aug 17, 2026-6pm EDT Aug 23, 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