Mare Island Straight - Vallejo Weather Forecast

    • 56
    • 75

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 57
    • 73

    Partly Sunny

    • 58
    • 74

    Mostly Sunny

    • 59
    • 78

    Sunny

    • 57
    • 75

    Mostly Sunny

Today 23 Jul Carquinez Strait and Delta

Sunny. Highs 85 to 91. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 23 Jul Carquinez Strait and Delta

Clear. Lows 56 to 62. Southwest Winds 10 to 20 Mph with Gusts to around 30 Mph.

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Mare Island Straight - Vallejo Temperature Statistics

July Temperature

Napa, Napa County Airport (6.8 miles)

  • Lowest 9 July, 2019

    48.9 °F
  • Average July

    64.1 °F
  • Highest 16 July, 2019

    89.1 °F

Climate (2010–Present)

Napa, Napa County Airport (6.8 miles)

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  • Average Low 2010–Present

    47.2 °F
  • Average 2010–Present

    57.2 °F
  • Average High 2010–Present

    69.5 °F
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