Napa River - Edgerley Island Weather Forecast

    • 62
    • 82

    Becoming Sunny

    • 62
    • 82

    Partly Sunny

    • 55
    • 74

    Partly Sunny

    • 54
    • 73

    Mostly Sunny

    • 54
    • 70

    Partly Sunny

    • 53
    • 67

    Partly Sunny

Today 26 Aug North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Highs in the upper 70s to mid 90s. Southwest Winds 5 to 15 Mph.

Tonight 26 Aug North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows near 60. West Winds 10 to 15 Mph.

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Napa River - Edgerley Island Temperature Statistics

August Temperature

Napa, Napa County Airport (1.9 miles)

  • Lowest 22 August, 2026

    50.6 °F

  • Average August

    66.3 °F

  • Highest 2 August, 2026

    86.6 °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

    58.5 °F

  • Average High 2021–2026

    70.3 °F
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