National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Rain

44°F

7°C

Humidity 89%
Wind Speed W 9 mph
Barometer 29.82 in (1010.3 mb)
Dewpoint 41°F (5°C)
Visibility 8.00 mi
Wind Chill39°F (4°C)
Last update 30 Apr 10:54 am EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

Frost Advisory May 1, 12:00am until May 1, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Today

    Today: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 49. West wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Showers
    Likely

  • Tonight

    Tonight: Areas of frost between 3am and 5am. Otherwise, partly cloudy, with a low around 36. Northwest wind 5 to 10 mph.

    Low: 36 °F

    Partly Cloudy
    then Areas
    Frost

  • Friday

    Friday: Showers likely, mainly after 2pm. Areas of frost before 8am. Otherwise, partly sunny, with a high near 48. West wind 6 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 36. West wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 8am. Mostly cloudy, with a high near 49. West wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 49 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Areas of frost after 3am. Otherwise, partly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 52.

    High: 52 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 49. West wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Areas of frost between 3am and 5am. Otherwise, partly cloudy, with a low around 36. Northwest wind 5 to 10 mph.
Friday
Showers likely, mainly after 2pm. Areas of frost before 8am. Otherwise, partly sunny, with a high near 48. West wind 6 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 36. West wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers after 8am. Mostly cloudy, with a high near 49. West wind 6 to 10 mph. Chance of precipitation is 30%.
Saturday Night
Areas of frost after 3am. Otherwise, partly cloudy, with a low around 31.
Sunday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 62. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Tuesday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Wednesday
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnstown-Cambria County Airport PA
 40.31°N 78.84°W (Elev. 2221 ft)
Last Update:
8:06 am EDT Apr 30, 2026
Forecast Valid:
11am EDT Apr 30, 2026-6pm EDT May 6, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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