San Francisco Bay - Hercules, Refugio Landing Weather Forecast

    • 48
    • 57

    Increasing Clouds

    • 50
    • 61

    Mostly Sunny

    • 54
    • 67

    Sunny

    • 58
    • 73

    Sunny

    • 58
    • 76

    Sunny

    • 57
    • 77

    Mostly Sunny

Today 5 May East Bay Interior Valleys

Sunny. Highs in the lower 60s. West Winds 5 to 15 Mph.

Tonight 5 May East Bay Interior Valleys

Clear. Lows in the mid 40s. Southwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Hercules, Refugio Landing Temperature Statistics

May Temperature

Napa, Napa County Airport (12.4 miles)

  • Lowest 1 May, 2024

    43 °F

  • Average May

    60.4 °F

  • Highest 1 May, 2024

    77 °F

Climate (2019–Present)

Napa, Napa County Airport (12.4 miles)

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  • Average Low 2019–2024

    47 °F

  • Average 2019–2024

    57.7 °F

  • Average High 2019–2024

    70.3 °F
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