Third Napa Slough Weather Forecast

    • 48
    • 85

    Sunny

    • 50
    • 86

    Sunny

    • 54
    • 87

    Sunny

    • 49
    • 89

    Sunny

    • 43
    • 87

    Sunny

    • 43
    • 80

    Mostly Sunny

Today 21 Oct North Bay Interior Valleys

Sunny. Highs in the mid 70s to upper 80s. Northwest Winds 10 to 15 Mph.

Tonight 21 Oct North Bay Interior Valleys

Clear. Lows in the mid 40s to lower 60s. Northwest Winds 5 to 10 Mph.

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Third Napa Slough Temperature Statistics

October Temperature

Napa, Napa County Airport (6.2 miles)

  • Lowest 14 October, 2019

    37 °F
  • Average October

    57.7 °F
  • Highest 6 October, 2019

    87.1 °F

Climate (2010–Present)

Napa, Napa County Airport (6.2 miles)

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  • Average Low 2010–Present

    47.6 °F
  • Average 2010–Present

    57.7 °F
  • Average High 2010–Present

    70.1 °F
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