Thornton Beach Weather Forecast

    • 52
    • 56

    Decreasing Clouds

    • 51
    • 58

    Partly Sunny

    • 52
    • 61

    Mostly Sunny

    • 52
    • 61

    Partly Sunny

    • 53
    • 59

    Mostly Cloudy

    • 54
    • 62

    Partly Sunny

    • 53
    • 62

    Mostly Sunny

Today 29 May San Francisco Peninsula Coast

Mostly cloudy. Highs in the upper 50s. West Winds 5 to 10 Mph.

Tonight 29 May San Francisco Peninsula Coast

Mostly cloudy. Lows in the upper 40s. West Winds 5 to 10 Mph.

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Thornton Beach Temperature Statistics

May Temperature

San Francisco, San Francisco International Airport (8.7 miles)

  • Lowest 11 May, 2026

    50.6 °F

  • Average May

    60.6 °F

  • Highest 19 May, 2026

    82.7 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (8.7 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    66.8 °F
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