Hudeman Slough Weather Forecast

    • 56
    • 82

    Decreasing Clouds

    • 51
    • 78

    Mostly Sunny

    • 50
    • 72

    Partly Sunny

    • 50
    • 69

    Partly Sunny

    • 53
    • 78

    Mostly Sunny

    • 55
    • 84

    Mostly Sunny

Today 24 Sep North Bay Interior Valleys

Partly cloudy. Highs in the mid 70s to lower 90s. South Winds up to 5 Mph increasing to southwest 10 to 15 Mph in the afternoon.

Tonight 24 Sep North Bay Interior Valleys

Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 50s to lower 60s. West Winds 10 to 15 Mph with Gusts to around 30 Mph.

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Hudeman Slough Temperature Statistics

September Temperature

Napa, Napa County Airport (4.3 miles)

  • Lowest 6 September, 2026

    45.6 °F

  • Average September

    65.5 °F

  • Highest 9 September, 2026

    99.6 °F

Climate (2021–2026)

Napa, Napa County Airport (4.3 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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