San Francisco Bay - Fort Mason Weather Forecast

    • 56
    • 60

    Decreasing Clouds

    • 54
    • 62

    Mostly Sunny

    • 55
    • 63

    Mostly Sunny

    • 55
    • 65

    Sunny

    • 55
    • 62

    Breezy

    • 56
    • 64

    Mostly Sunny

    • 56
    • 67

    Mostly Sunny

Today 12 May San Francisco

Mostly cloudy late in the morning then becoming partly cloudy. Highs in the upper 50s to mid 60s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 12 May San Francisco

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Fort Mason Temperature Statistics

May Temperature

Oakland, Metro Oakland International Airport (12.4 miles)

  • Lowest 4 May, 2026

    53.7 °F

  • Average May

    59.8 °F

  • Highest 6 May, 2026

    70.6 °F

Climate (2021–Present)

Oakland, Metro Oakland International Airport (12.4 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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