Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

38°F

3°C

Humidity 97%
Wind Speed NW 12 mph
Barometer 29.91 in (1013.8 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 1 May 11:54 pm EDT
Extended Forecast for

Johnstown PA

Freeze Warning May 2, 12:00am until May 2, 09:00am
Click here for hazard details and duration
Freeze Warning
  • Tonight

    Tonight: Patchy frost between 2am and 5am.  Otherwise, mostly cloudy, with a low around 34. Northwest wind 3 to 5 mph.

    Low: 34 °F

    Patchy Frost

  • Saturday

    Saturday: Areas of frost between 7am and 9am.  Otherwise, partly sunny, with a high near 52. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 52 °F

    Areas Frost
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 2am.  Otherwise, partly cloudy, with a low around 31. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 31 °F

    Partly Cloudy
    then Frost

  • Sunday

    Sunday: Widespread frost, mainly before 8am.  Otherwise, mostly sunny, with a high near 56. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 56 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 2am.  Partly cloudy, with a low around 42. Southwest wind 3 to 5 mph.  Chance of precipitation is 20%.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 5pm.  Partly sunny, with a high near 68. Chance of precipitation is 20%.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers after 8pm.  Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers.  Partly sunny, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am.  Mostly cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Tonight
Patchy frost between 2am and 5am. Otherwise, mostly cloudy, with a low around 34. Northwest wind 3 to 5 mph.
Saturday
Areas of frost between 7am and 9am. Otherwise, partly sunny, with a high near 52. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 56. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 42. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 68. Chance of precipitation is 20%.
Monday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Wednesday
Showers. High near 65. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 57. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Johnstown PA
 40.32°N 78.93°W (Elev. 1670 ft)
8:06 pm EDT May 1, 2026
11pm EDT May 1, 2026-6pm EDT May 8, 2026
 
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