San Francisco Bay - Hercules, Refugio Landing Weather Forecast

    • 52
    • 64

    Mostly Sunny

    • 53
    • 65

    Mostly Sunny

    • 56
    • 69

    Sunny

    • 54
    • 72

    Sunny

    • 53
    • 65

    Sunny

    • 53
    • 66

    Sunny

Today 15 Jun East Bay Interior Valleys

Sunny. Highs in the 80s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 15 Jun East Bay Interior Valleys

Mostly clear. Lows in the lower 50s. Southwest Winds 5 to 15 Mph.

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  • Temperature Real-Time

San Francisco Bay - Hercules, Refugio Landing Temperature Statistics

June Temperature

Napa, Napa County Airport (12.4 miles)

  • Lowest 12 June, 2025

    44.1 °F

  • Average June

    62.2 °F

  • Highest 2 June, 2025

    76.6 °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

    70.6 °F
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