Carquinez Strait - Martinez Yacht Harbor Weather Forecast

    • 39
    • 54

    Increasing Clouds

    • 36
    • 51

    Mostly Sunny

    • 39
    • 52

    Mostly Cloudy

    • 38
    • 54

    Mostly Cloudy

    • 41
    • 55

    Partly Sunny

    • 43
    • 57

    Partly Sunny

    • 45
    • 60

    Mostly Sunny

Today 8 Jan East Bay Interior Valleys

Sunny. Highs in the mid 50s. North Winds 10 to 20 Mph.

Tonight 8 Jan East Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 30s. Northwest Winds 5 to 10 Mph becoming northeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Carquinez Strait - Martinez Yacht Harbor Temperature Statistics

January Temperature

Concord, Buchanan Field (5 miles)

  • Lowest 6 January, 2026

    46 °F

  • Average January

    54.4 °F

  • Highest 3 January, 2026

    64 °F

Climate (2021–Present)

Concord, Buchanan Field (5 miles)

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  • Average Low 2021–2026

    50.9 °F

  • Average 2021–2026

    61.3 °F

  • Average High 2021–2026

    74.2 °F
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