Napa River - Edgerley Island Weather Forecast

    • 62
    • 87

    Sunny

    • 59
    • 86

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

    • 54
    • 74

    Partly Sunny

    • 55
    • 73

    Partly Sunny

    • 57
    • 72

    Mostly Cloudy

    • 57
    • 72

    Mostly Cloudy

Today 14 Jul North Bay Interior Valleys

Sunny. Highs in the 80s to 90s. West Winds 10 to 20 Mph.

Tonight 14 Jul North Bay Interior Valleys

Mostly clear. Lows in the mid 50s to lower 70s. West Winds 5 to 15 Mph.

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Napa River - Edgerley Island Temperature Statistics

July Temperature

Napa, Napa County Airport (1.9 miles)

  • Lowest 11 July, 2026

    48.7 °F

  • Average July

    64 °F

  • Highest 12 July, 2026

    82.9 °F

Climate (2021–2026)

Napa, Napa County Airport (1.9 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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