Elmar Beach Weather Forecast

    • 54
    • 70

    Increasing Clouds

    • 55
    • 66

    Mostly Cloudy

    • 55
    • 65

    Mostly Cloudy

    • 55
    • 68

    Patchy Fog

    • 55
    • 69

    Mostly Cloudy

    • 55
    • 67

    Mostly Cloudy

Today 14 Sep San Francisco Peninsula Coast

Sunny. Patchy fog in the morning. Highs in the lower 70s. Northwest Winds 5 to 10 Mph.

Tonight 14 Sep San Francisco Peninsula Coast

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

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Elmar Beach Temperature Statistics

September Temperature

Half Moon Bay Airport (3.7 miles)

  • Lowest 8 September, 2026

    50 °F

  • Average September

    62.7 °F

  • Highest 9 September, 2026

    89.6 °F

Climate (2021–2026)

Half Moon Bay Airport (3.7 miles)

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  • Average Low 2021–2026

    48.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    61.1 °F
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