Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Rain

67°F

19°C

Humidity 97%
Wind Speed SE 8 mph
Barometer 30.04 in (1016.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 12 Sep 10:54 pm EDT
Extended Forecast for

Summerhill PA

Flood Watch until September 13, 04:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until September 13, 04:00am

    NOW until 4:00am Sun

    Flood Watch

  • Tonight

    Low: 64 °F

    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers, mainly before 9am.  Patchy fog before 10am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the morning.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 80 °F

    Chance
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 4am, then a chance of showers.  Mostly cloudy, with a low around 55. West wind around 6 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 69. Northwest wind 7 to 9 mph.

    High: 69 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers. Patchy fog after 4am. Low around 64. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers, mainly before 9am. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 55. West wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 69. Northwest wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 47. Calm wind.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Summerhill PA
 40.37°N 78.77°W (Elev. 1542 ft)
10:26 pm EDT Sep 12, 2026
11pm EDT Sep 12, 2026-6pm EDT Sep 19, 2026
 
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Additional Resources

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