San Francisco Bay - Red Rock Island Weather Forecast

    • 54
    • 64

    Decreasing Clouds

    • 56
    • 64

    Partly Sunny

    • 54
    • 62

    Partly Sunny

    • 55
    • 65

    Mostly Sunny

    • 55
    • 66

    Mostly Sunny

    • 55
    • 67

    Mostly Sunny

Today 11 May San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming sunny. Highs in the 70s to mid 80s. Southwest Winds up to 5 Mph. Becoming northwest in the afternoon.

Tonight 11 May San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Red Rock Island Temperature Statistics

May Temperature

Novato / Gnoss Field (16.2 miles)

  • Lowest 4 May, 2026

    46.4 °F

  • Average May

    58.9 °F

  • Highest 6 May, 2026

    77 °F

Climate (2021–Present)

Novato / Gnoss Field (16.2 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    72.5 °F
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