Sign Hill Park Weather Forecast

    • 48
    • 61

    Mostly Cloudy

    • 49
    • 61

    Mostly Cloudy

    • 45
    • 59

    Partly Sunny

    • 43
    • 62

    Mostly Sunny

    • 45
    • 60

    Mostly Cloudy

    • 44
    • 61

    Partly Sunny

    • 48
    • 62

    Mostly Cloudy

Today 21 Jan San Francisco Bay Shoreline

Mostly cloudy. Highs in the lower 60s. Light Winds.

Tonight 21 Jan San Francisco Bay Shoreline

Mostly cloudy. Lows in the upper 40s. Light Winds.

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Sign Hill Park Temperature Statistics

January Temperature

San Francisco, San Francisco International Airport (3.7 miles)

  • Lowest 10 January, 2026

    41 °F

  • Average January

    52.9 °F

  • Highest 16 January, 2026

    69.1 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (3.7 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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