Millbrae Weather Forecast

    • 51
    • 64

    Chance Rain

    • 52
    • 68

    Slight Chance Rain

    • 51
    • 63

    Mostly Cloudy

    • 49
    • 63

    Mostly Sunny

    • 50
    • 69

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

Today 27 May San Francisco Bay Shoreline

Partly cloudy. Highs in the mid 60s to lower 70s. South Winds up to 5 Mph increasing to west 10 to 20 Mph in the afternoon.

Tonight 27 May San Francisco Bay Shoreline

Mostly cloudy. A chance of rain after midnight. Lows in the lower 50s. Southwest Winds 10 to 15 Mph becoming southeast 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Millbrae Temperature Statistics

May Temperature

San Francisco, San Francisco International Airport (1.9 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 (1.9 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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