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

76°F

24°C

Humidity 40%
Wind Speed Vrbl 6 mph
Barometer 30.23 in (1023.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Oct 4:53 pm EDT
Extended Forecast for

Cheswick PA

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 10am. Otherwise, sunny, with a high near 82. Calm wind.

    High: 82 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, clear, with a low around 49. Calm wind.

    Low: 49 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 83. Light south wind.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 52. Calm wind.

    Low: 52 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Showers

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, clear, with a low around 50. Calm wind.
Saturday
Areas of fog before 10am. Otherwise, sunny, with a high near 82. Calm wind.
Saturday Night
Patchy fog after 4am. Otherwise, clear, with a low around 49. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 83. Light south wind.
Sunday Night
Clear, with a low around 52. Calm wind.
Monday
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Showers likely, mainly after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Tuesday Night
Showers. Low around 52. Chance of precipitation is 80%.
Wednesday
Showers likely before 8am. Mostly sunny, with a high near 67. 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 43.
Friday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cheswick PA
 40.55°N 79.79°W (Elev. 1066 ft)
Last Update:
4:02 pm EDT Oct 3, 2025
Forecast Valid:
5pm EDT Oct 3, 2025-6pm EDT Oct 10, 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