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

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Rain

48°F

9°C

Humidity 80%
Wind Speed S 13 G 21 mph
Barometer 29.97 in (1015.7 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 9 Jan 10:54 am EST
Extended Forecast for

Johnstown PA

  • Today

    Today: Rain before 3pm, then a slight chance of rain after 4pm. High near 58. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Rain

  • Tonight

    Tonight: A chance of rain, mainly before 7pm. Mostly cloudy, with a low around 38. West wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Rain. High near 46. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain

  • Saturday Night

    Saturday Night: Rain before 1am, then a slight chance of rain and snow showers. Low around 30. South wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain then
    Rain/Snow

  • Sunday

    Sunday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 33. West wind 9 to 16 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Snow Showers

  • Monday

    Monday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

Today
Rain before 3pm, then a slight chance of rain after 4pm. High near 58. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain, mainly before 7pm. Mostly cloudy, with a low around 38. West wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 46. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain before 1am, then a slight chance of rain and snow showers. Low around 30. South wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 33. West wind 9 to 16 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
A chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Thursday
A chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Johnstown PA
 40.32°N 78.93°W (Elev. 1670 ft)
Last Update:
7:34 am EST Jan 9, 2026
Forecast Valid:
11am EST Jan 9, 2026-6pm EST Jan 15, 2026
 
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Additional Resources

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Chance of Precipitation