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

63°F

17°C

Humidity 58%
Wind Speed NE 6 mph
Barometer 30.11 in (1019.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 1 Oct 12:53 am EDT
Extended Forecast for

Cheswick PA

  • Overnight

    Overnight: Clear, with a low around 49. Northeast wind around 7 mph.

    Low: 49 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Northeast wind around 8 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. Northeast wind around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Southeast wind around 7 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Southeast wind 5 to 7 mph becoming calm after midnight.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 1am. Otherwise, clear, with a low around 46.

    Low: 46 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 9am. Otherwise, sunny, with a high near 80.

    High: 80 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, clear, with a low around 48.

    Low: 48 °F

    Clear then
    Patchy Fog

Detailed Forecast

Overnight
Clear, with a low around 49. Northeast wind around 7 mph.
Wednesday
Sunny, with a high near 75. Northeast wind around 8 mph.
Wednesday Night
Mostly clear, with a low around 42. Northeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 74. Southeast wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 44. Southeast wind 5 to 7 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 78.
Friday Night
Patchy fog after 1am. Otherwise, clear, with a low around 46.
Saturday
Areas of fog before 9am. Otherwise, sunny, with a high near 80.
Saturday Night
Patchy fog after 4am. Otherwise, clear, with a low around 48.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 81.
Sunday Night
Patchy fog. Otherwise, mostly clear, with a low around 51.
Monday
Patchy fog. Otherwise, sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cheswick PA
 40.55°N 79.79°W (Elev. 1066 ft)
Last Update:
1:02 am EDT Oct 1, 2025
Forecast Valid:
1am EDT Oct 1, 2025-6pm EDT Oct 7, 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