Lake Merced Weather Forecast

    • 42
    • 57

    Becoming Sunny

    • 42
    • 57

    Mostly Sunny

    • 43
    • 58

    Mostly Sunny

    • 46
    • 58

    Rain Likely

    • 48
    • 58

    Rain Likely

    • 47
    • 57

    Chance Rain

Today 28 Dec San Francisco

Sunny. Highs in the mid 50s. Northeast Winds 5 to 10 Mph.

Tonight 28 Dec San Francisco

Mostly clear. Lows in the mid 40s. Northeast Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Merced Temperature Statistics

December Temperature

San Francisco, San Francisco International Airport (9.3 miles)

  • Lowest 15 December, 2025

    44.1 °F

  • Average December

    52.6 °F

  • Highest 19 December, 2025

    64 °F

Climate (2020–Present)

San Francisco, San Francisco International Airport (9.3 miles)

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  • Average Low 2020–2025

    52.4 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    66.5 °F
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