Third Napa Slough Weather Forecast

    • 49
    • 76

    Mostly Sunny

    • 50
    • 74

    Becoming Sunny

    • 52
    • 81

    Mostly Sunny

    • 52
    • 82

    Sunny

    • 53
    • 80

    Sunny

    • 53
    • 84

    Mostly Sunny

    • 53
    • 83

    Mostly Sunny

Today 12 Jun North Bay Interior Valleys

Sunny. Highs in the 70s to 80s. South Winds 10 to 20 Mph.

Tonight 12 Jun North Bay Interior Valleys

Mostly clear late in the evening then becoming partly cloudy. Patchy fog after midnight. Lows near 50. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Third Napa Slough Temperature Statistics

June Temperature

Napa, Napa County Airport (6.2 miles)

  • Lowest 4 June, 2024

    50.6 °F

  • Average June

    66.3 °F

  • Highest 4 June, 2024

    97.6 °F

Climate (2019–Present)

Napa, Napa County Airport (6.2 miles)

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  • Average Low 2019–2024

    46.9 °F

  • Average 2019–2024

    57.8 °F

  • Average High 2019–2024

    70.4 °F
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