Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast

72°F

22°C

Humidity 97%
Wind Speed SW 9 mph
Barometer 30.03 in (1016.4 mb)
Dewpoint 71°F (22°C)
Visibility 7.00 mi
Last update 16 Aug 8:53 am EDT
Extended Forecast for

2 Miles SW Castle Shannon PA

Flood Watch August 16, 09:35am until August 17, 08:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 16, 09:35am until August 17, 08:00am

    NOW until 8:00am Mon

    Flood Watch

  • Today

    High: 81 °F

    Chance
    Showers then
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 2am.  Low around 70. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    T-storms then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 80. West wind 8 to 11 mph.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. Northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 2pm.  Mostly sunny, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers.  Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

Detailed Forecast

Today
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 81. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms, mainly before 2am. Low around 70. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 80. West wind 8 to 11 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 61. Northwest wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 79. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 79.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Castle Shannon PA
 40.35°N 80.03°W (Elev. 1198 ft)
4:41 am EDT Aug 16, 2026
9am EDT Aug 16, 2026-6pm EDT Aug 22, 2026
 
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Additional Resources

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