San Francisco Bay - Hercules, Refugio Landing Weather Forecast

    • 48
    • 56

    Increasing Clouds

    • 48
    • 58

    Increasing Clouds

    • 47
    • 57

    Partly Sunny

    • 47
    • 57

    Partly Sunny

    • 47
    • 58

    Mostly Sunny

    • 48
    • 58

    Partly Sunny

    • 48
    • 57

    Mostly Sunny

Today 27 Nov East Bay Interior Valleys

Mostly cloudy late in the morning then becoming partly cloudy. Areas of dense fog. Highs in the upper 50s to mid 60s. Northeast Winds around 5 Mph.

Tonight 27 Nov East Bay Interior Valleys

Mostly cloudy. Patchy fog. Lows in the lower 40s. Light Winds.

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San Francisco Bay - Hercules, Refugio Landing Temperature Statistics

November Temperature

Napa, Napa County Airport (12.4 miles)

  • Lowest 22 November, 2025

    39 °F

  • Average November

    56 °F

  • Highest 10 November, 2025

    79 °F

Climate (2020–Present)

Napa, Napa County Airport (12.4 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.2 °F
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