Shurtleff Park Weather Forecast

    • 53
    • 72

    Increasing Clouds

    • 53
    • 67

    Decreasing Clouds

    • 54
    • 68

    Mostly Cloudy

    • 53
    • 68

    Chance Rain

    • 52
    • 72

    Partly Sunny

    • 52
    • 73

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

Today 31 Aug North Bay Interior Valleys

Partly cloudy. Highs in the mid 60s to upper 70s. Southwest Winds 10 to 20 Mph.

Tonight 31 Aug North Bay Interior Valleys

Partly cloudy late in the evening then becoming mostly cloudy. Lows in the 40s to upper 50s. West Winds 10 to 20 Mph.

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Shurtleff Park Temperature Statistics

August Temperature

Napa, Napa County Airport (5 miles)

  • Lowest 22 August, 2026

    50.6 °F
  • Average August

    66.5 °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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