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.

Fair

68°F

20°C

Humidity 49%
Wind Speed W 13 G 18 mph
Barometer 29.97 in (1013.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Jun 11:54 am EDT
Extended Forecast for

4 Miles W Sproul PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 68. West wind around 14 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 53. West wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71. West wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 58. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain and possibly a thunderstorm. High near 69. Southeast wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 69 °F

    Rain

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm before 8pm, then a chance of rain between 8pm and 2am. Low around 56. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Rain then
    Chance Rain

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 68. West wind around 14 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 53. West wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Partly sunny, with a high near 71. West wind 7 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Rain, mainly after 2am. Low around 58. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain and possibly a thunderstorm. High near 69. Southeast wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain and possibly a thunderstorm before 8pm, then a chance of rain between 8pm and 2am. Low around 56. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Sproul PA
 40.31°N 78.58°W (Elev. 2372 ft)
Last Update:
8:05 am EDT Jun 20, 2026
Forecast Valid:
12pm EDT Jun 20, 2026-6pm EDT Jun 26, 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