San Francisco Bay - Castro Point Weather Forecast

    • 52
    • 62

    Mostly Sunny

    • 53
    • 62

    Mostly Sunny

    • 55
    • 66

    Sunny

    • 54
    • 67

    Sunny

    • 54
    • 62

    Sunny

    • 54
    • 64

    Sunny

    • 55
    • 66

    Sunny

Today 15 Jun San Francisco Bay Shoreline

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

Tonight 15 Jun San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. West Winds 10 to 20 Mph.

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San Francisco Bay - Castro Point Temperature Statistics

June Temperature

Novato / Gnoss Field (16.2 miles)

  • Lowest 12 June, 2025

    44.6 °F

  • Average June

    60.1 °F

  • Highest 4 June, 2025

    82.4 °F

Climate (2020–Present)

Novato / Gnoss Field (16.2 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    72.7 °F
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