Shurtleff Park Weather Forecast

    • 39
    • 62

    Decreasing Clouds

    • 41
    • 60

    Mostly Sunny

    • 43
    • 63

    Mostly Sunny

    • 45
    • 62

    Partly Sunny

    • 45
    • 62

    Patchy Fog

    • 44
    • 63

    Partly Sunny

    • 46
    • 64

    Partly Sunny

Today 3 Dec North Bay Interior Valleys

Mostly cloudy late in the morning then becoming partly cloudy. Breezy. Highs in the upper 50s to mid 60s. North Winds 20 to 30 Mph decreasing to 10 to 20 Mph in the afternoon.

Tonight 3 Dec North Bay Interior Valleys

Partly cloudy. Lows in the 30s to upper 40s. Northwest Winds 10 to 20 Mph. Becoming northeast after midnight.

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Shurtleff Park Temperature Statistics

December Temperature

Napa, Napa County Airport (5 miles)

  • Lowest 1 December, 2025

    37.9 °F

  • Average December

    45.5 °F

  • Highest 1 December, 2025

    52 °F

Climate (2020–Present)

Napa, Napa County Airport (5 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.2 °F
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