Millbrae Weather Forecast

    • 46
    • 61

    Increasing Clouds

    • 48
    • 61

    Mostly Sunny

    • 48
    • 62

    Partly Sunny

    • 49
    • 62

    Partly Sunny

    • 50
    • 64

    Partly Sunny

    • 50
    • 65

    Partly Sunny

    • 50
    • 65

    Mostly Sunny

Today 5 Dec San Francisco Bay Shoreline

Sunny. Highs in the lower 60s. Northwest Winds 5 to 10 Mph.

Tonight 5 Dec San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the mid to upper 40s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Millbrae Temperature Statistics

December Temperature

San Francisco, San Francisco International Airport (1.9 miles)

  • Lowest 2 December, 2025

    45 °F

  • Average December

    52.1 °F

  • Highest 3 December, 2025

    63 °F

Climate (2020–Present)

San Francisco, San Francisco International Airport (1.9 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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