San Francisco Bay - Rodeo Marina Weather Forecast

    • 53
    • 65

    Becoming Sunny

    • 52
    • 66

    Mostly Sunny

    • 53
    • 65

    Mostly Sunny

    • 50
    • 63

    Partly Sunny

    • 51
    • 63

    Partly Sunny

    • 51
    • 62

    Partly Sunny

Today 23 Oct East Bay Interior Valleys

Mostly cloudy in the morning then becoming sunny. Areas of fog in the morning. Highs near 70. North Winds 5 to 15 Mph.

Tonight 23 Oct East Bay Interior Valleys

Clear. Lows in the upper 40s. Northwest Winds 5 to 15 Mph.

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San Francisco Bay - Rodeo Marina Temperature Statistics

October Temperature

Napa, Napa County Airport (11.2 miles)

  • Lowest 13 October, 2026

    38.6 °F

  • Average October

    64.6 °F

  • Highest 3 October, 2026

    96.7 °F

Climate (2021–2026)

Napa, Napa County Airport (11.2 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    70.4 °F
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