Thornton Beach Weather Forecast

    • 56
    • 61

    Mostly Cloudy

    • 56
    • 61

    Mostly Cloudy

    • 56
    • 61

    Mostly Cloudy

    • 57
    • 60

    Mostly Cloudy

    • 56
    • 61

    Mostly Cloudy

    • 57
    • 60

    Mostly Cloudy

    • 57
    • 60

    Mostly Cloudy

Today 9 Aug San Francisco Peninsula Coast

Partly cloudy. Highs in the upper 60s. Southwest Winds 5 to 10 Mph.

Tonight 9 Aug San Francisco Peninsula Coast

Mostly cloudy. A slight chance of drizzle. Areas of dense fog after midnight. Lows in the mid 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

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Thornton Beach Temperature Statistics

August Temperature

San Francisco, San Francisco International Airport (8.7 miles)

  • Lowest 2 August, 2025

    56.6 °F

  • Average August

    62.6 °F

  • Highest 6 August, 2025

    79 °F

Climate (2020–Present)

San Francisco, San Francisco International Airport (8.7 miles)

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  • Average Low 2020–2025

    52.2 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    66.7 °F
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