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

58°F

14°C

Humidity 100%
Wind Speed Vrbl 3 mph
Barometer 30.09 in (1018.5 mb)
Dewpoint 58°F (14°C)
Visibility 0.50 mi
Last update 25 May 5:54 am EDT
Extended Forecast for

2 Miles WSW Revloc PA

  • Memorial Day

    Memorial Day: Showers likely before 9am, then isolated showers after 1pm. Patchy fog between 7am and 9am. Otherwise, mostly cloudy, with a high near 73. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Showers
    Likely and
    Patchy Fog
    then Isolated
    Showers

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 77. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Memorial Day
Showers likely before 9am, then isolated showers after 1pm. Patchy fog between 7am and 9am. Otherwise, mostly cloudy, with a high near 73. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 56. Calm wind.
Tuesday
Partly sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 59. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 77. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 57.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Revloc PA
 40.48°N 78.78°W (Elev. 2169 ft)
Last Update:
6:36 am EDT May 25, 2026
Forecast Valid:
6am EDT May 25, 2026-6pm EDT May 31, 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