Grizzly Bay - Echo Island Beacon Weather Forecast

    • 54
    • 80

    Becoming Sunny

    • 53
    • 82

    Sunny

    • 51
    • 80

    Mostly Sunny

    • 52
    • 80

    Partly Sunny

    • 52
    • 81

    Mostly Cloudy

    • 51
    • 79

    Partly Sunny

Today 23 Mar Carquinez Strait and Delta

Mostly sunny. Highs 79 to 85. West Winds up to 10 Mph.

Tonight 23 Mar Carquinez Strait and Delta

Mostly clear. Lows around 53. West Winds up to 15 Mph.

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Grizzly Bay - Echo Island Beacon Temperature Statistics

March Temperature

Concord, Buchanan Field (8.1 miles)

  • Lowest 5 March, 2026

    40.6 °F

  • Average March

    63.9 °F

  • Highest 20 March, 2026

    88 °F

Climate (2021–Present)

Concord, Buchanan Field (8.1 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    61.4 °F

  • Average High 2021–2026

    74.4 °F
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