Chateau Weather Forecast

    • 59
    • 84

    Rain Showers Likely

    • 53
    • 73

    Mostly Sunny

    • 65
    • 83

    Mostly Sunny

    • 67
    • 86

    Chance Thunderstorms

    • 67
    • 86

    Rain Showers Likely

    • 63
    • 82

    Chance Rain Showers

Today 13 Sep Allegheny

Patchy fog this morning. Mostly cloudy with a chance of Showers this Morning, then partly sunny this afternoon. Highs in the lower 80s. West Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 13 Sep Allegheny

A chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Humid with Lows in the upper 50s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chateau Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (8.7 miles)

  • Lowest 6 September, 2026

    57.9 °F

  • Average September

    73.3 °F

  • Highest 2 September, 2026

    91 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (8.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    63.3 °F
Get WillyWeather+ to remove ads