Carquinez Strait - Southampton Bay Weather Forecast

    • 55
    • 77

    Sunny

    • 55
    • 78

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

Today 21 Jun Carquinez Strait and Delta

Sunny, breezy. Highs 75 to 81. West Winds 10 to 25 Mph.

Tonight 21 Jun Carquinez Strait and Delta

Clear. Lows 53 to 59. Northwest Winds 10 to 20 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Carquinez Strait - Southampton Bay Temperature Statistics

June Temperature

Concord, Buchanan Field (8.7 miles)

  • Lowest 11 June, 2025

    53.1 °F

  • Average June

    66.7 °F

  • Highest 18 June, 2025

    93.9 °F

Climate (2020–Present)

Concord, Buchanan Field (8.7 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    61.4 °F

  • Average High 2020–2025

    74.7 °F
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