National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fair

78°F

26°C

Humidity 35%
Wind Speed Calm
Barometer 30.20 in (1022.5 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 4 Oct 4:53 pm EDT
Extended Forecast for

Cheswick PA

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, clear, with a low around 51. Calm wind.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 53. Calm wind.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am. Partly cloudy, with a low around 60. Calm wind. Chance of precipitation is 30%.

    Low: 60 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 74. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Wednesday

    Wednesday: Showers likely before 8am. Mostly sunny, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, clear, with a low around 51. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 82. Light and variable wind.
Sunday Night
Clear, with a low around 53. Calm wind.
Monday
Sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
A chance of showers after 2am. Partly cloudy, with a low around 60. Calm wind. Chance of precipitation is 30%.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 74. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers. Low around 52. Chance of precipitation is 90%.
Wednesday
Showers likely before 8am. Mostly sunny, with a high near 66. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cheswick PA
 40.53°N 79.82°W (Elev. 886 ft)
Last Update:
4:02 pm EDT Oct 4, 2025
Forecast Valid:
5pm EDT Oct 4, 2025-6pm EDT Oct 11, 2025
 
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