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Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fog

37°F

3°C

Humidity 96%
Wind Speed S 8 mph
Barometer 30.09 in (1020.4 mb)
Dewpoint 36°F (2°C)
Visibility 0.15 mi
Wind Chill31°F (-1°C)
Last update 16 Feb 10:53 am EST
Extended Forecast for

Castle Shannon PA

Dense Fog Advisory February 16, 11:30am until February 16, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory February 16, 11:30am until February 16, 12:00pm

    NOW until 12:00pm Mon

    Dense Fog Advisory

  • Washington's Birthday

    High: 48 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Southwest wind around 7 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. South wind around 6 mph.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain after 1am. Cloudy, with a low around 43. Southeast wind 5 to 8 mph. Chance of precipitation is 30%.

    Low: 43 °F

    Cloudy then
    Chance Rain

  • Wednesday

    Wednesday: Rain. High near 58. South wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain after 1pm. Partly sunny, with a high near 59. Chance of precipitation is 30%.

    High: 59 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Rain Likely

Detailed Forecast

Washington's Birthday
Mostly cloudy, with a high near 48. Southwest wind 6 to 8 mph.
Tonight
Mostly cloudy, with a low around 36. Southwest wind around 7 mph.
Tuesday
Partly sunny, with a high near 55. South wind around 6 mph.
Tuesday Night
A chance of rain after 1am. Cloudy, with a low around 43. Southeast wind 5 to 8 mph. Chance of precipitation is 30%.
Wednesday
Rain. High near 58. South wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of rain, mainly before 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain after 1pm. Partly sunny, with a high near 59. Chance of precipitation is 30%.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Friday
A chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 50%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castle Shannon PA
 40.37°N 80.02°W (Elev. 1109 ft)
Last Update:
9:49 am EST Feb 16, 2026
Forecast Valid:
11am EST Feb 16, 2026-6pm EST Feb 22, 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