Chateau Weather Forecast

    • 71
    • 83

    Rain Showers

    • 61
    • 82

    Chance Rain Showers

    • 63
    • 81

    Mostly Sunny

    • 63
    • 82

    Rain Showers Likely

    • 58
    • 78

    Partly Sunny

    • 61
    • 79

    Mostly Cloudy

Today 16 Aug Allegheny

Showers. A chance of Thunderstorms this Morning, then Thunderstorms likely this afternoon. Some Thunderstorms may produce heavy rainfall this morning. Some Thunderstorms may produce heavy rainfall this afternoon. Highs in the lower 80s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

Tonight 16 Aug Allegheny

Showers with Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall. Humid with Lows around 70. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

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Chateau Temperature Statistics

August Temperature

Pittsburgh - Allegheny County Airport (8.7 miles)

  • Lowest 4 August, 2026

    60.1 °F

  • Average August

    72.9 °F

  • Highest 4 August, 2026

    86 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (8.7 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
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