Steamboat Slough Weather Forecast

    • 45
    • 70

    Sunny

    • 42
    • 73

    Mostly Sunny

    • 46
    • 74

    Mostly Cloudy

    • 47
    • 69

    Rain Likely

    • 47
    • 64

    Rain Likely

    • 46
    • 63

    Rain Showers Likely

    • 44
    • 66

    Slight Chance Rain

Today 16 Apr North Bay Interior Valleys

Sunny. Highs in the mid 60s to lower 70s. North Winds 10 to 20 Mph.

Tonight 16 Apr North Bay Interior Valleys

Clear. Lows in the 40s to lower 50s. North Winds 10 to 20 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Steamboat Slough Temperature Statistics

April Temperature

Napa, Napa County Airport (7.5 miles)

  • Lowest 3 April, 2026

    38.6 °F

  • Average April

    58.5 °F

  • Highest 5 April, 2026

    83.6 °F

Climate (2021–Present)

Napa, Napa County Airport (7.5 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    70.3 °F
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