Shurtleff Park Weather Forecast

    • 58
    • 80

    Mostly Cloudy

    • 61
    • 89

    Partly Sunny

    • 58
    • 84

    Mostly Sunny

    • 56
    • 82

    Partly Sunny

    • 56
    • 84

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

    • 57
    • 87

    Mostly Sunny

Today 20 Jul North Bay Interior Valleys

Mostly cloudy. A slight chance of Showers. Highs in the upper 60s to mid 80s. Southwest Winds 10 to 15 Mph.

Tonight 20 Jul North Bay Interior Valleys

Mostly cloudy. A slight chance of Showers. Patchy fog after midnight. Lows in the 50s to lower 60s. Southwest Winds 5 to 10 Mph.

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Shurtleff Park Temperature Statistics

July Temperature

Napa, Napa County Airport (5 miles)

  • Lowest 11 July, 2026

    48.7 °F

  • Average July

    66 °F

  • Highest 13 July, 2026

    89.7 °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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