Shurtleff Park Weather Forecast

    • 51
    • 77

    Increasing Clouds

    • 51
    • 77

    Partly Sunny

    • 54
    • 81

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

    • 55
    • 84

    Partly Sunny

    • 56
    • 84

    Mostly Cloudy

Today 6 Jul North Bay Interior Valleys

Partly cloudy late in the morning then becoming sunny. Highs in the upper 60s to lower 80s. Southwest Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 6 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 20 Mph.

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Shurtleff Park Temperature Statistics

July Temperature

Napa, Napa County Airport (5 miles)

  • Lowest 3 July, 2026

    50.6 °F

  • Average July

    62.5 °F

  • Highest 3 July, 2026

    76.6 °F

Climate (2021–2026)

Napa, Napa County Airport (5 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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