Antioch Dunes National Wildlife Refuge Weather Forecast

    • 56
    • 76

    Sunny

    • 59
    • 82

    Sunny

    • 59
    • 85

    Mostly Sunny

    • 59
    • 82

    Mostly Sunny

    • 60
    • 84

    Sunny

    • 59
    • 83

    Sunny

Today 30 May East Bay Interior Valleys

Sunny. Highs in the mid 70s to lower 80s. West Winds 5 to 15 Mph.

Tonight 30 May East Bay Interior Valleys

Clear. Lows in the upper 40s to mid 50s. Southwest Winds 5 to 15 Mph.

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Antioch Dunes National Wildlife Refuge Temperature Statistics

May Temperature

Concord, Buchanan Field (13.7 miles)

  • Lowest 11 May, 2026

    50.6 °F

  • Average May

    66.5 °F

  • Highest 21 May, 2026

    92.6 °F

Climate (2021–Present)

Concord, Buchanan Field (13.7 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    61.5 °F

  • Average High 2021–2026

    74.3 °F
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