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

49°F

9°C

Humidity 97%
Wind Speed SE 6 mph
Barometer 30.06 in (1018.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 5 Mar 4:54 am EST
Extended Forecast for

Johnstown-Cambria County Airport PA

  • Overnight

    Overnight: Rain. Low around 48. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain

  • Thursday

    Thursday: Rain, with thunderstorms also possible after 4pm. High near 59. Southwest wind 5 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 59 °F

    Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 3am, then a slight chance of rain between 3am and 4am. Low around 51. Southwest wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Rain then
    Chance Rain

  • Friday

    Friday: A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 62. South wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain, mainly before 1am. Mostly cloudy, with a low around 52. Southeast wind 8 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 1pm, then showers between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 70. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance Rain
    then Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 7pm, then showers between 7pm and 1am, then a chance of rain after 1am. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain. Low around 48. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, with thunderstorms also possible after 4pm. High near 59. Southwest wind 5 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Rain and possibly a thunderstorm before 3am, then a slight chance of rain between 3am and 4am. Low around 51. Southwest wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 62. South wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain, mainly before 1am. Mostly cloudy, with a low around 52. Southeast wind 8 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain before 1pm, then showers between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 70. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 7pm, then showers between 7pm and 1am, then a chance of rain after 1am. Low around 46. Chance of precipitation is 80%.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 50.
Tuesday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Wednesday
Showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
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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:
2:26 am EST Mar 5, 2026
Forecast Valid:
5am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
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Additional Resources

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Chance of Precipitation