Napa River - Edgerley Island Weather Forecast

    • 53
    • 74

    Partly Sunny

    • 50
    • 75

    Mostly Sunny

    • 52
    • 81

    Sunny

    • 52
    • 83

    Mostly Sunny

    • 52
    • 77

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

    • 54
    • 87

    Mostly Sunny

Today 12 May North Bay Interior Valleys

Partly cloudy. Highs in the mid 60s to lower 80s. Southwest Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 12 May North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly clear. Lows in the 50s. West Winds 10 to 20 Mph.

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  • Temperature Real-Time

Napa River - Edgerley Island Temperature Statistics

May Temperature

Napa, Napa County Airport (1.9 miles)

  • Lowest 4 May, 2026

    46.7 °F

  • Average May

    60 °F

  • Highest 6 May, 2026

    74.6 °F

Climate (2021–Present)

Napa, Napa County Airport (1.9 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    70.2 °F
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