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.

Light Rain Fog/Mist

54°F

12°C

Humidity 97%
Wind Speed E 8 mph
Barometer 30.21 in (1023.3 mb)
Dewpoint 53°F (12°C)
Visibility 5.00 mi
Wind Chill52°F (11°C)
Last update 22 Sep 9:54 am EDT
Extended Forecast for

Johnstown PA

  • Today

    Today: Showers. Patchy fog. High near 57. East wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers likely, mainly before 8pm. Patchy fog. Otherwise, cloudy, with a low around 49. East wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers before 10am. Mostly cloudy, with a high near 58. East wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 58 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45. East wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 61. East wind 5 to 7 mph.

    High: 61 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
Showers. Patchy fog. High near 57. East wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers likely, mainly before 8pm. Patchy fog. Otherwise, cloudy, with a low around 49. East wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A slight chance of showers before 10am. Mostly cloudy, with a high near 58. East wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 45. East wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 61. East wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnstown PA
 40.32°N 78.93°W (Elev. 1670 ft)
Last Update:
8:05 am EDT Sep 22, 2026
Forecast Valid:
9am EDT Sep 22, 2026-6pm EDT Sep 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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