Tunitas Beach Weather Forecast

    • 54
    • 64

    Decreasing Clouds

    • 52
    • 64

    Partly Sunny

    • 52
    • 66

    Partly Sunny

    • 53
    • 64

    Mostly Cloudy

    • 53
    • 65

    Mostly Cloudy

    • 54
    • 65

    Mostly Cloudy

Today 12 Sep San Francisco Peninsula Coast

Mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 60s. Northwest Winds 10 to 20 Mph.

Tonight 12 Sep San Francisco Peninsula Coast

Mostly cloudy. Lows in the mid 50s. Northwest Winds 5 to 10 Mph.

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Tunitas Beach Temperature Statistics

September Temperature

Half Moon Bay Airport (11.8 miles)

  • Lowest 8 September, 2026

    50 °F

  • Average September

    62.9 °F

  • Highest 9 September, 2026

    89.6 °F

Climate (2021–2026)

Half Moon Bay Airport (11.8 miles)

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  • Average Low 2021–2026

    48.7 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    61.1 °F
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