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Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fog

35°F

2°C

Humidity 96%
Wind Speed Calm
Barometer 30.15 in (1022.6 mb)
Dewpoint 34°F (1°C)
Visibility 0.15 mi
Last update 20 Nov 8:53 am EST
Extended Forecast for

Cheswick PA

Dense Fog Advisory November 20, 09:47am until November 20, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory November 20, 09:47am until November 20, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Today

    High: 49 °F

    Areas Dense
    Fog then
    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog. Otherwise, cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Patchy Fog

  • Friday

    Friday: A chance of rain, mainly after 7am. Patchy fog before 8am. Otherwise, cloudy, with a high near 55. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Chance Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Cloudy, with a low around 38. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain Likely

  • Saturday

    Saturday: A slight chance of rain before 1pm. Partly sunny, with a high near 49. North wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Today
Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 49. Calm wind.
Tonight
Patchy fog. Otherwise, cloudy, with a low around 38. Calm wind.
Friday
A chance of rain, mainly after 7am. Patchy fog before 8am. Otherwise, cloudy, with a high near 55. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely, mainly before 1am. Cloudy, with a low around 38. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A slight chance of rain before 1pm. Partly sunny, with a high near 49. North wind 5 to 7 mph. Chance of precipitation is 20%.
Saturday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 53.
Monday Night
A chance of rain after 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Tuesday
Rain likely. Cloudy, with a high near 56. Chance of precipitation is 70%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cheswick PA
 40.53°N 79.82°W (Elev. 886 ft)
Last Update:
8:38 am EST Nov 20, 2025
Forecast Valid:
9am EST Nov 20, 2025-6pm EST Nov 26, 2025
 
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