Carquinez Strait - Suisun Point Weather Forecast

    • 61
    • 79

    Slight Chance Rain Showers

    • 61
    • 82

    Mostly Sunny

    • 61
    • 84

    Sunny

    • 64
    • 93

    Mostly Sunny

    • 63
    • 82

    Chance Rain Showers

    • 61
    • 80

    Mostly Sunny

Today 19 Sep East Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. A chance of Showers in the Morning, then a slight chance of Showers in the afternoon. Highs in the lower 80s. Light Winds. Becoming west around 5 Mph in the afternoon.

Tonight 19 Sep East Bay Interior Valleys

Mostly clear. Lows in the lower 60s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Carquinez Strait - Suisun Point Temperature Statistics

September Temperature

Concord, Buchanan Field (4.3 miles)

  • Lowest 4 September, 2025

    59 °F

  • Average September

    70.7 °F

  • Highest 1 September, 2025

    99 °F

Climate (2020–Present)

Concord, Buchanan Field (4.3 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    61.4 °F

  • Average High 2020–2025

    74.6 °F
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