San Bruno Weather Forecast

    • 47
    • 56

    Decreasing Clouds

    • 46
    • 60

    Increasing Clouds

    • 48
    • 57

    Mostly Cloudy

    • 47
    • 60

    Mostly Sunny

    • 50
    • 60

    Mostly Cloudy

    • 50
    • 59

    Chance Rain

    • 50
    • 60

    Partly Sunny

Today 23 Jan San Francisco Bay Shoreline

Mostly cloudy late in the morning then becoming partly cloudy. Patchy fog late in the morning. Highs in the upper 50s. Light Winds. Becoming northwest 5 to 10 Mph in the afternoon.

Tonight 23 Jan San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the lower to mid 40s. Northwest Winds 5 to 10 Mph. Becoming northeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Bruno Temperature Statistics

January Temperature

San Francisco, San Francisco International Airport (2.5 miles)

  • Lowest 10 January, 2026

    41 °F

  • Average January

    52.8 °F

  • Highest 16 January, 2026

    69.1 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (2.5 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    66.5 °F
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