Napa River - White Slough Entrance Weather Forecast

    • 57
    • 70

    Mostly Sunny

    • 55
    • 70

    Mostly Sunny

    • 58
    • 71

    Mostly Sunny

    • 59
    • 75

    Mostly Sunny

    • 59
    • 74

    Mostly Sunny

    • 59
    • 72

    Mostly Sunny

Today 3 Aug Carquinez Strait and Delta

Sunny. Highs 81 to 87. Southwest Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 3 Aug Carquinez Strait and Delta

Clear. Lows around 57. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

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Napa River - White Slough Entrance Temperature Statistics

August Temperature

Napa, Napa County Airport (5 miles)

  • Lowest

  • Average August

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Climate (2020–Present)

Napa, Napa County Airport (5 miles)

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  • Average Low 2020–2025

    46.9 °F
  • Average 2020–2025

    58.1 °F
  • Average High 2020–2025

    70.5 °F
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