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.

Mostly Cloudy

83°F

28°C

Humidity 41%
Wind Speed S 10 G 16 mph
Barometer 30.15 in (1019.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 May 6:54 pm EDT
Extended Forecast for

Lilly PA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. West wind 8 to 14 mph, with gusts as high as 26 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 67. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly after 2pm. High near 75. West wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. North wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 2pm. Partly sunny, with a high near 64. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Low around 49. Chance of precipitation is 90%.

    Low: 49 °F

    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. South wind around 7 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 85. West wind 8 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 67. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday
Showers and possibly a thunderstorm, mainly after 2pm. High near 75. West wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 46. North wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday
A slight chance of showers before 2pm. Partly sunny, with a high near 64. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Friday Night
Showers. Low around 49. Chance of precipitation is 90%.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 63. Chance of precipitation is 90%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lilly PA
 40.42°N 78.62°W (Elev. 1906 ft)
Last Update:
2:21 pm EDT May 18, 2026
Forecast Valid:
7pm EDT May 18, 2026-6pm EDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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