Suisun Bay - Mallard Island Weather Forecast

    • 62
    • 89

    Sunny

    • 61
    • 90

    Sunny

    • 62
    • 90

    Mostly Sunny

    • 65
    • 90

    Partly Sunny

    • 64
    • 92

    Mostly Sunny

    • 65
    • 89

    Sunny

    • 65
    • 88

    Mostly Sunny

Today 29 Sep East Bay Interior Valleys

Sunny. Highs in the lower 90s. West Winds 10 to 15 Mph.

Tonight 29 Sep East Bay Interior Valleys

Clear. Lows in the upper 50s. Southwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Suisun Bay - Mallard Island Temperature Statistics

September Temperature

Concord, Buchanan Field (8.1 miles)

  • Lowest 23 September, 2026

    53.7 °F

  • Average September

    71.2 °F

  • Highest 9 September, 2026

    101.6 °F

Climate (2021–2026)

Concord, Buchanan Field (8.1 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