Martinez Reservoir Weather Forecast

    • 56
    • 79

    Increasing Clouds

    • 53
    • 80

    Increasing Clouds

    • 50
    • 65

    Mostly Cloudy

    • 48
    • 66

    Partly Sunny

    • 47
    • 67

    Mostly Cloudy

    • 45
    • 66

    Mostly Sunny

    • 49
    • 68

    Mostly Sunny

Today 27 Feb East Bay Interior Valleys

Partly cloudy. Highs in the mid 70s. Northeast Winds 5 to 10 Mph.

Tonight 27 Feb East Bay Interior Valleys

Mostly cloudy. Lows in the mid 50s. Light Winds.

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Martinez Reservoir Temperature Statistics

February Temperature

Concord, Buchanan Field (3.1 miles)

  • Lowest 20 February, 2026

    34.6 °F

  • Average February

    54 °F

  • Highest 6 February, 2026

    73.7 °F

Climate (2021–Present)

Concord, Buchanan Field (3.1 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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