Steamboat Slough Weather Forecast

    • 45
    • 64

    Partly Sunny

    • 46
    • 66

    Partly Sunny

    • 42
    • 65

    Mostly Sunny

    • 47
    • 67

    Sunny

    • 50
    • 71

    Mostly Sunny

    • 49
    • 74

    Mostly Sunny

Today 2 Mar North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. A slight chance of rain in the morning. Highs in the upper 50s to mid 60s. South Winds up to 5 Mph. Becoming southwest around 5 Mph in the afternoon.

Tonight 2 Mar North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the 40s to lower 50s. West Winds 5 to 10 Mph.

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Steamboat Slough Temperature Statistics

March Temperature

Napa, Napa County Airport (7.5 miles)

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Climate (2021–Present)

Napa, Napa County Airport (7.5 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    70.1 °F
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