Napa River - Tulucay Creek Entrance Weather Forecast

    • 52
    • 74

    Increasing Clouds

    • 52
    • 75

    Becoming Sunny

    • 51
    • 75

    Partly Sunny

    • 54
    • 81

    Partly Sunny

    • 55
    • 85

    Mostly Sunny

    • 55
    • 83

    Partly Sunny

    • 55
    • 82

    Mostly Cloudy

Today 5 Jul North Bay Interior Valleys

Sunny. Highs in the mid 60s to lower 80s. Southwest Winds 5 to 15 Mph.

Tonight 5 Jul North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s to mid 50s. Southwest Winds 10 to 15 Mph.

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Napa River - Tulucay Creek Entrance Temperature Statistics

July Temperature

Napa, Napa County Airport (3.1 miles)

  • Lowest 2 July, 2026

    51.7 °F

  • Average July

    62.2 °F

  • Highest 3 July, 2026

    73.9 °F

Climate (2021–2026)

Napa, Napa County Airport (3.1 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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