Thornton Beach Weather Forecast

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    Decreasing Clouds

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    Mostly Cloudy

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    Mostly Cloudy

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    Mostly Cloudy

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    Mostly Cloudy

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    Mostly Cloudy

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    Mostly Cloudy

Today 28 Aug San Francisco Peninsula Coast

Mostly cloudy. A slight chance of Showers. Highs in the mid 60s. Northeast Winds around 5 Mph. Becoming northwest 5 to 15 Mph in the afternoon.

Tonight 28 Aug San Francisco Peninsula Coast

Mostly cloudy. Lows in the mid 50s. Northwest Winds 5 to 15 Mph.

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  • Temperature Real-Time

Thornton Beach Temperature Statistics

August Temperature

San Francisco, San Francisco International Airport (8.7 miles)

  • Lowest 26 August, 2026

    55.9 °F

  • Average August

    65.1 °F

  • Highest 2 August, 2026

    80.7 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (8.7 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    66.8 °F
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