Chateau Weather Forecast

    • 58
    • 80

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

    • 65
    • 85

    Partly Sunny

    • 70
    • 88

    Rain Showers Likely

    • 60
    • 80

    Chance Rain Showers

    • 58
    • 78

    Mostly Sunny

Today 6 Sep Allegheny

Sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 6 Sep Allegheny

Mainly clear. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

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Chateau Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (8.7 miles)

  • Lowest 3 September, 2026

    66 °F

  • Average September

    76.9 °F

  • Highest 2 September, 2026

    91 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (8.7 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
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