Shurtleff Park Weather Forecast

    • 54
    • 79

    Increasing Clouds

    • 56
    • 82

    Decreasing Clouds

    • 56
    • 82

    Mostly Cloudy

    • 56
    • 80

    Mostly Cloudy

    • 54
    • 79

    Partly Sunny

    • 55
    • 79

    Partly Sunny

    • 54
    • 79

    Partly Sunny

Today 17 Aug North Bay Interior Valleys

Sunny. Highs in the lower 70s to mid 80s. Southwest Winds 10 to 15 Mph.

Tonight 17 Aug North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Shurtleff Park Temperature Statistics

August Temperature

Napa, Napa County Airport (5 miles)

  • Lowest 6 August, 2026

    51.7 °F

  • Average August

    66.3 °F

  • Highest 2 August, 2026

    86.6 °F

Climate (2021–2026)

Napa, Napa County Airport (5 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    70.3 °F
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