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

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fog/Mist

68°F

20°C

Humidity 96%
Wind Speed E 5 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 67°F (19°C)
Visibility 3.00 mi
Last update 27 Jun 9:53 pm EDT
Extended Forecast for

Cheswick PA

  • Tonight

    Tonight: Scattered showers, mainly before midnight. Widespread fog, mainly after midnight. Otherwise, mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Scattered
    Showers and
    Fog

  • Sunday

    Sunday: Scattered showers and thunderstorms, mainly after 2pm. Widespread fog, mainly before 9am. Otherwise, partly sunny, with a high near 85. Light east wind. Chance of precipitation is 40%.

    High: 85 °F

    Fog then
    Scattered
    T-storms

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 66. Light east wind. Chance of precipitation is 30%.

    Low: 66 °F

    Scattered
    T-storms then
    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 90. Light south wind.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. Light southeast wind.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers, mainly before midnight. Widespread fog, mainly after midnight. Otherwise, mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Scattered showers and thunderstorms, mainly after 2pm. Widespread fog, mainly before 9am. Otherwise, partly sunny, with a high near 85. Light east wind. Chance of precipitation is 40%.
Sunday Night
Scattered showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 66. Light east wind. Chance of precipitation is 30%.
Monday
Mostly sunny and hot, with a high near 90. Light south wind.
Monday Night
Mostly clear, with a low around 71. Light southeast wind.
Tuesday
Mostly sunny and hot, with a high near 96.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Partly cloudy, with a low around 76.
Friday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Independence Day
Showers likely and possibly a thunderstorm. Partly sunny and hot, with a high near 91. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Cheswick PA
 40.55°N 79.79°W (Elev. 1066 ft)
Last Update:
8:21 pm EDT Jun 27, 2026
Forecast Valid:
10pm EDT Jun 27, 2026-6pm EDT Jul 4, 2026
 
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Additional Resources

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Chance of Precipitation