Third Napa Slough Weather Forecast

    • 49
    • 78

    Sunny

    • 51
    • 75

    Increasing Clouds

    • 41
    • 60

    Rain

    • 43
    • 64

    Sunny

    • 45
    • 68

    Mostly Sunny

    • 46
    • 72

    Sunny

    • 50
    • 74

    Sunny

Today 2 May North Bay Interior Valleys

Sunny, breezy. Highs in the upper 60s to lower 80s. Northwest Winds 20 to 30 Mph.

Tonight 2 May North Bay Interior Valleys

Mostly clear. Lows in the upper 40s to mid 50s. Northwest Winds 10 to 20 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

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Third Napa Slough Temperature Statistics

May Temperature

Napa, Napa County Airport (6.2 miles)

  • Lowest

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  • Average May

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Climate (2019–Present)

Napa, Napa County Airport (6.2 miles)

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  • Average Low 2019–2024

    47 °F

  • Average 2019–2024

    57.7 °F

  • Average High 2019–2024

    70.3 °F
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