Thornton Beach Weather Forecast

    • 60
    • 65

    Mostly Cloudy

    • 58
    • 62

    Increasing Clouds

    • 56
    • 59

    Mostly Cloudy

    • 56
    • 62

    Mostly Cloudy

    • 56
    • 63

    Partly Sunny

    • 55
    • 63

    Mostly Cloudy

    • 55
    • 63

    Partly Sunny

Today 21 Jul San Francisco Peninsula Coast

Sunny. Highs in the mid 70s. Southwest Winds 5 to 10 Mph.

Tonight 21 Jul San Francisco Peninsula Coast

Mostly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Thornton Beach Temperature Statistics

July Temperature

San Francisco, San Francisco International Airport (8.7 miles)

  • Lowest 11 July, 2026

    53.7 °F

  • Average July

    63.7 °F

  • Highest 14 July, 2026

    83.6 °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

    58.6 °F

  • Average High 2021–2026

    66.8 °F
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