Hillsborough Weather Forecast

    • 58
    • 86

    Sunny

    • 58
    • 87

    Sunny

    • 55
    • 85

    Mostly Sunny

    • 51
    • 73

    Partly Sunny

    • 50
    • 69

    Partly Sunny

    • 51
    • 70

    Mostly Cloudy

Today 18 Mar San Francisco Bay Shoreline

Sunny. Highs in the mid 80s to lower 90s. Light Winds. Becoming northwest 5 to 10 Mph in the afternoon.

Tonight 18 Mar San Francisco Bay Shoreline

Clear. Lows in the upper 50s. Northwest Winds up to 5 Mph in the evening. Becoming light.

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Hillsborough Temperature Statistics

March Temperature

San Francisco, San Francisco International Airport (3.1 miles)

  • Lowest 5 March, 2026

    46.7 °F

  • Average March

    58.8 °F

  • Highest 16 March, 2026

    82.9 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (3.1 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    66.6 °F
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