Sign Hill Park Weather Forecast

    • 53
    • 78

    Mostly Sunny

    • 51
    • 74

    Mostly Sunny

    • 52
    • 71

    Partly Sunny

    • 53
    • 70

    Partly Sunny

    • 53
    • 65

    Partly Sunny

    • 52
    • 66

    Partly Sunny

    • 52
    • 64

    Mostly Sunny

Today 19 May San Francisco Bay Shoreline

Sunny. Highs in the 80s. North Winds around 5 Mph increasing to northwest 10 to 20 Mph in the afternoon.

Tonight 19 May San Francisco Bay Shoreline

Mostly clear. Lows in the mid 50s. West Winds 10 to 20 Mph decreasing to up to 5 Mph after midnight.

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Sign Hill Park Temperature Statistics

May Temperature

San Francisco, San Francisco International Airport (3.7 miles)

  • Lowest 17 May, 2026

    50 °F

  • Average May

    59.3 °F

  • Highest 11 May, 2026

    72.6 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (3.7 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    66.7 °F
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