San Francisco Bay - Treasure Island Weather Forecast

    • 55
    • 67

    Increasing Clouds

    • 55
    • 68

    Partly Sunny

    • 56
    • 69

    Partly Sunny

    • 56
    • 70

    Partly Sunny

    • 57
    • 68

    Partly Sunny

    • 55
    • 67

    Mostly Sunny

Today 22 Jun San Francisco

Mostly cloudy in the morning then becoming partly cloudy. Highs in the 50s to upper 60s. West Winds 5 to 15 Mph.

Tonight 22 Jun San Francisco

Mostly cloudy. Lows in the mid 50s. Southwest Winds 5 to 15 Mph.

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San Francisco Bay - Treasure Island Temperature Statistics

June Temperature

Oakland, Metro Oakland International Airport (10.6 miles)

  • Lowest 7 June, 2026

    50.6 °F

  • Average June

    64.3 °F

  • Highest 11 June, 2026

    91.7 °F

Climate (2021–2026)

Oakland, Metro Oakland International Airport (10.6 miles)

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  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    67.1 °F
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