San Francisco Bay - Hercules, Refugio Landing Weather Forecast

    • 54
    • 62

    Increasing Clouds

    • 52
    • 59

    Chance Rain

    • 53
    • 62

    Mostly Sunny

    • 54
    • 61

    Mostly Cloudy

    • 53
    • 60

    Chance Rain

    • 54
    • 60

    Chance Rain

Today 30 Oct East Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Highs in the upper 60s. Light Winds. Becoming west 5 to 10 Mph in the afternoon.

Tonight 30 Oct East Bay Interior Valleys

Partly cloudy. Lows in the upper 40s. West Winds 5 to 10 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Hercules, Refugio Landing Temperature Statistics

October Temperature

Napa, Napa County Airport (12.4 miles)

  • Lowest 13 October, 2026

    38.6 °F

  • Average October

    63.3 °F

  • Highest 3 October, 2026

    96.7 °F

Climate (2021–2026)

Napa, Napa County Airport (12.4 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    70.4 °F
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