Mussel Rock Weather Forecast

    • 57
    • 66

    Increasing Clouds

    • 58
    • 66

    Mostly Cloudy

    • 59
    • 68

    Mostly Cloudy

    • 59
    • 69

    Mostly Cloudy

    • 59
    • 71

    Partly Sunny

    • 59
    • 70

    Partly Sunny

    • 59
    • 71

    Partly Sunny

Today 30 Sep San Francisco Peninsula Coast

Sunny. Highs in the lower 70s. Northwest Winds around 5 Mph.

Tonight 30 Sep San Francisco Peninsula Coast

Mostly cloudy. Patchy fog. Lows in the lower 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mussel Rock Temperature Statistics

September Temperature

San Francisco, San Francisco International Airport (7.5 miles)

  • Lowest 23 September, 2026

    55.7 °F

  • Average September

    66.4 °F

  • Highest 9 September, 2026

    94.6 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (7.5 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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