San Bruno Weather Forecast

    • 54
    • 66

    Mostly Sunny

    • 55
    • 65

    Partly Sunny

    • 54
    • 64

    Partly Sunny

    • 54
    • 61

    Partly Sunny

    • 54
    • 64

    Mostly Sunny

    • 55
    • 68

    Mostly Sunny

Today 22 May San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs in the 70s to lower 80s. West Winds up to 5 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 22 May San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. West Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Bruno Temperature Statistics

May Temperature

San Francisco, San Francisco International Airport (2.5 miles)

  • Lowest 11 May, 2026

    50.6 °F

  • Average May

    60.2 °F

  • Highest 19 May, 2026

    80.1 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (2.5 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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