Chateau Weather Forecast

    • 12
    • 35

    Snow

    • 14
    • 21

    Snow Showers

    • 14
    • 23

    Mostly Cloudy

    • 27
    • 33

    Mostly Cloudy

    • 31
    • 42

    Mostly Cloudy

    • 28
    • 53

    Rain

Today 13 Dec Allegheny

Cloudy. A chance of Flurries Early, then snow. Snow accumulation 1 to 2 Inches. Near steady temperature in the lower 30s. Southwest Winds 10 to 15 Mph. Chance of snow 90 percent.

Tonight 13 Dec Allegheny

Snow, mainly in the evening. Snow may be heavy at Times in the evening. Additional snow accumulation 2 to 4 Inches. Total snow accumulation 4 to 8 Inches. Cold with Lows around 11. Northwest Winds 5 to 10 Mph. Chance of snow 90 percent.

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Chateau Temperature Statistics

December Temperature

Pittsburgh - Allegheny County Airport (8.7 miles)

  • Lowest 9 December, 2025

    12.9 °F

  • Average December

    27.8 °F

  • Highest 10 December, 2025

    43 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (8.7 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    63.3 °F
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