Brentwood Hills Weather Forecast

    • 58
    • 84

    Mostly Sunny

    • 63
    • 92

    Mostly Sunny

    • 62
    • 93

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

    • 57
    • 83

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

Today 22 Sep East Bay Interior Valleys

Sunny. Highs in the lower 80s. West Winds 5 to 10 Mph.

Tonight 22 Sep East Bay Interior Valleys

Clear. Lows in the mid 50s. West Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Brentwood Hills Temperature Statistics

September Temperature

Concord, Buchanan Field (16.8 miles)

  • Lowest 7 September, 2026

    54.6 °F

  • Average September

    71.6 °F

  • Highest 9 September, 2026

    101.6 °F

Climate (2021–2026)

Concord, Buchanan Field (16.8 miles)

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

  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    74.2 °F
Get WillyWeather+ to remove ads