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.

Partly Cloudy

61°F

16°C

Humidity 56%
Wind Speed SW 9 mph
Barometer 29.81 in (1008.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 4 May 10:54 pm EDT
Extended Forecast for

Lilly PASimilar City Names

  • Tonight

    Tonight: A slight chance of showers before midnight, then a slight chance of showers after 3am. Mostly cloudy, with a low around 56. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers. Partly sunny, with a high near 75. Southwest wind 15 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers, mainly after 2am. Low around 55. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 62. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 41. Northwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 54. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 57. Chance of precipitation is 30%.

    High: 57 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers before midnight, then a slight chance of showers after 3am. Mostly cloudy, with a low around 56. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Partly sunny, with a high near 75. Southwest wind 15 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Tuesday Night
Showers, mainly after 2am. Low around 55. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 62. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 41. Northwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers. Partly sunny, with a high near 54. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 57. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Saturday Night
Showers likely. Partly cloudy, with a low around 44. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly sunny, with a high near 67. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Monday
Showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lilly PASimilar City Names
 40.42°N 78.62°W (Elev. 1906 ft)
Last Update:
8:06 pm EDT May 4, 2026
Forecast Valid:
11pm EDT May 4, 2026-6pm EDT May 11, 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