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Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

46°F

8°C

Humidity 63%
Wind Speed SW 3 mph
Barometer 29.93 in (1014.4 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 18 Feb 12:54 am EST
Extended Forecast for

Johnstown PA

  • Overnight

    Overnight: A chance of rain, mainly after 5am. Cloudy, with a low around 39. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain, mainly before 4pm. High near 55. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Chance Rain
    then Rain

  • Wednesday Night

    Wednesday Night: A chance of rain between 7pm and midnight. Mostly cloudy, with a low around 45. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday

    Thursday: Rain likely, mainly after 1pm. Cloudy, with a high near 53. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain. Low around 39. Southeast wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 56. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
A chance of rain, mainly after 5am. Cloudy, with a low around 39. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly before 4pm. High near 55. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of rain between 7pm and midnight. Mostly cloudy, with a low around 45. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly after 1pm. Cloudy, with a high near 53. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 39. Southeast wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 56. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Sunday
Snow likely. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Monday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 27.
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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:
1:41 am EST Feb 18, 2026
Forecast Valid:
1am EST Feb 18, 2026-6pm EST Feb 24, 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