San Francisco Bay - East Brother Lighthouse Weather Forecast

    • 55
    • 62

    Increasing Clouds

    • 56
    • 62

    Mostly Cloudy

    • 58
    • 63

    Mostly Cloudy

    • 58
    • 67

    Partly Sunny

    • 57
    • 65

    Partly Sunny

    • 56
    • 65

    Partly Sunny

Today 18 Jul San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming sunny. Highs in the 60s to upper 70s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 18 Jul San Francisco Bay Shoreline

Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 50s. West Winds 5 to 15 Mph.

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San Francisco Bay - East Brother Lighthouse Temperature Statistics

July Temperature

Novato / Gnoss Field (13.7 miles)

  • Lowest 1 July, 2026

    50 °F

  • Average July

    65.2 °F

  • Highest 14 July, 2026

    98.6 °F

Climate (2021–2026)

Novato / Gnoss Field (13.7 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    72.5 °F
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