Hillsborough Weather Forecast

    • 47
    • 65

    Mostly Cloudy

    • 47
    • 62

    Decreasing Clouds

    • 46
    • 64

    Mostly Sunny

    • 48
    • 66

    Sunny

    • 48
    • 67

    Mostly Sunny

    • 49
    • 67

    Partly Sunny

    • 49
    • 66

    Partly Sunny

Today 31 Jan San Francisco Bay Shoreline

Partly cloudy. Highs in the mid to upper 60s. North Winds around 5 Mph.

Tonight 31 Jan San Francisco Bay Shoreline

Partly cloudy. Patchy fog after midnight. Lows in the mid 40s. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Hillsborough Temperature Statistics

January Temperature

San Francisco, San Francisco International Airport (3.1 miles)

  • Lowest 10 January, 2026

    40.6 °F

  • Average January

    53.8 °F

  • Highest 16 January, 2026

    71.7 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (3.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    66.5 °F
Get WillyWeather+ to remove ads