Millbrae Weather Forecast

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    • 56

    Mostly Cloudy

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    • 55

    Rain

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    • 59

    Rain

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    Rain

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    Rain Likely

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    • 56

    Rain Likely

Today 30 Dec San Francisco Bay Shoreline

Partly cloudy. Highs in the upper 50s. Northeast Winds 5 to 10 Mph.

Tonight 30 Dec San Francisco Bay Shoreline

Mostly cloudy. A chance of rain after midnight. Lows in the upper 40s. Northeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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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 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 (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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