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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

42°F

6°C

Humidity 62%
Wind Speed NW 12 G 22 mph
Barometer 29.92 in (1014.7 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 2 May 2:54 pm EDT
Extended Forecast for

Johnstown-Cambria County Airport PA

Freeze Warning May 2, 11:00pm until May 3, 09:00am
Click here for hazard details and duration
Freeze Warning

  • This Afternoon

    This Afternoon: A chance of showers, mainly between 4pm and 5pm. Partly sunny, with a high near 47. West wind around 10 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance
    Showers

  • Tonight

    Tonight: Widespread frost, mainly after 1am. Otherwise, mostly cloudy during the early evening, then gradual clearing, with a low around 29. Northwest wind 5 to 8 mph.

    Low: 29 °F

    Mostly Cloudy
    then Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 53. West wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 53 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. Southwest wind around 10 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64. Southwest wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.

    Low: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 64. Chance of precipitation is 90%.

    High: 64 °F

    Showers

Detailed Forecast

This Afternoon
A chance of showers, mainly between 4pm and 5pm. Partly sunny, with a high near 47. West wind around 10 mph. Chance of precipitation is 30%.
Tonight
Widespread frost, mainly after 1am. Otherwise, mostly cloudy during the early evening, then gradual clearing, with a low around 29. Northwest wind 5 to 8 mph.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 53. West wind 8 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 42. Southwest wind around 10 mph.
Monday
Mostly sunny, with a high near 64. Southwest wind 13 to 15 mph, with gusts as high as 24 mph.
Monday Night
A chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 54. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 64. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 80%.
Thursday
Showers. High near 58. Chance of precipitation is 80%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 54. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnstown-Cambria County Airport PA
 40.31°N 78.84°W (Elev. 2221 ft)
Last Update:
2:21 pm EDT May 2, 2026
Forecast Valid:
3pm EDT May 2, 2026-6pm EDT May 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation