Farallon Islands Weather Forecast

    • 51
    • 56

    Breezy

    • 52
    • 56

    Breezy

    • 51
    • 56

    Windy

    • 51
    • 55

    Windy

    • 52
    • 56

    Windy

    • 52
    • 57

    Breezy

Today 13 May San Francisco

Partly cloudy in the morning then becoming sunny. Highs in the 50s to upper 60s. West Winds 10 to 20 Mph.

Tonight 13 May San Francisco

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

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Farallon Islands Temperature Statistics

May Temperature

Half Moon Bay Airport (30.4 miles)

  • Lowest 4 May, 2026

    51.8 °F

  • Average May

    55.4 °F

  • Highest 6 May, 2026

    62.6 °F

Climate (2021–Present)

Half Moon Bay Airport (30.4 miles)

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  • Average Low 2021–2026

    48.5 °F

  • Average 2021–2026

    55 °F

  • Average High 2021–2026

    60.9 °F
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