Suisun Bay - Roe Island (Gillespie Point) Weather Forecast

    • 54
    • 79

    Becoming Sunny

    • 54
    • 77

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 53
    • 77

    Partly Sunny

    • 53
    • 76

    Partly Sunny

    • 53
    • 77

    Partly Sunny

Today 21 Mar Carquinez Strait and Delta

Partly cloudy in the morning then clearing. Highs 82 to 88. West Winds up to 10 Mph.

Tonight 21 Mar Carquinez Strait and Delta

Clear. Lows around 54. West Winds 10 to 15 Mph.

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  • Temperature Real-Time

Suisun Bay - Roe Island (Gillespie Point) Temperature Statistics

March Temperature

Concord, Buchanan Field (5.6 miles)

  • Lowest 5 March, 2026

    40.6 °F

  • Average March

    63.4 °F

  • Highest 18 March, 2026

    86.6 °F

Climate (2021–Present)

Concord, Buchanan Field (5.6 miles)

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  • Average Low 2021–2026

    50.9 °F

  • Average 2021–2026

    61.4 °F

  • Average High 2021–2026

    74.4 °F
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