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Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

35°F

2°C

Humidity 93%
Wind Speed S 9 mph
Barometer 30.05 in (1019.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 16 Feb 11:54 pm EST
Extended Forecast for

Johnstown PA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 33. Light southwest wind.

    Low: 33 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 52. Light southwest wind.

    High: 52 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 20%.

    Low: 41 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Rain. High near 56. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 45. West wind 3 to 8 mph. Winds could gust as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain, mainly after 1pm. Partly sunny, with a high near 57. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 70%.

    High: 53 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain before 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 33. Light southwest wind.
Tuesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 52. Light southwest wind.
Tuesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 20%.
Wednesday
Rain. High near 56. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 45. West wind 3 to 8 mph. Winds could gust as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain, mainly after 1pm. Partly sunny, with a high near 57. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 41. Chance of precipitation is 80%.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 70%.
Friday Night
A chance of rain before 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 43.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 30.
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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:
10:34 pm EST Feb 16, 2026
Forecast Valid:
12am EST Feb 17, 2026-6pm EST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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