Martinez Reservoir Weather Forecast

    • 45
    • 69

    Mostly Sunny

    • 48
    • 70

    Sunny

    • 46
    • 74

    Mostly Sunny

    • 51
    • 76

    Partly Sunny

    • 49
    • 71

    Chance Rain

    • 50
    • 67

    Chance Rain

    • 49
    • 66

    Chance Rain

Today 15 Apr East Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 60s. Southwest Winds 5 to 15 Mph.

Tonight 15 Apr East Bay Interior Valleys

Partly cloudy. Lows in the 40s. West Winds 5 to 15 Mph.

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  • Temperature Real-Time

Martinez Reservoir Temperature Statistics

April Temperature

Concord, Buchanan Field (3.1 miles)

  • Lowest 3 April, 2026

    40.6 °F

  • Average April

    61.2 °F

  • Highest 5 April, 2026

    84.7 °F

Climate (2021–Present)

Concord, Buchanan Field (3.1 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    61.5 °F

  • Average High 2021–2026

    74.4 °F
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