Carquinez Strait - Selby Weather Forecast

    • 58
    • 71

    Mostly Sunny

    • 56
    • 76

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 58
    • 79

    Mostly Sunny

    • 58
    • 77

    Mostly Sunny

Today 22 Jul East Bay Interior Valleys

Sunny. Highs in the lower 80s. West Winds 15 to 20 Mph.

Tonight 22 Jul East Bay Interior Valleys

Mostly clear. Lows in the upper 50s. West Winds 10 to 20 Mph. Becoming southwest 5 to 10 Mph after midnight.

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  • Temperature Real-Time

Carquinez Strait - Selby Temperature Statistics

July Temperature

Napa, Napa County Airport (10.6 miles)

  • Lowest 11 July, 2026

    48.7 °F

  • Average July

    66 °F

  • Highest 13 July, 2026

    89.7 °F

Climate (2021–2026)

Napa, Napa County Airport (10.6 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    70.2 °F
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