Lake Merced Weather Forecast

    • 51
    • 67

    Increasing Clouds

    • 52
    • 69

    Mostly Cloudy

    • 52
    • 65

    Mostly Cloudy

    • 53
    • 70

    Mostly Sunny

    • 52
    • 68

    Mostly Sunny

    • 52
    • 67

    Partly Sunny

    • 51
    • 64

    Mostly Sunny

Today 31 May San Francisco

Sunny. Highs in the 60s to lower 70s. West Winds 10 to 15 Mph.

Tonight 31 May San Francisco

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. Southwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Merced Temperature Statistics

May Temperature

San Francisco, San Francisco International Airport (9.3 miles)

  • Lowest 11 May, 2026

    50.6 °F

  • Average May

    60.6 °F

  • Highest 19 May, 2026

    82.7 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (9.3 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    66.8 °F
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