South Farallon Islands - Southeast Weather Forecast

    • 48
    • 55

    Becoming Sunny

    • 50
    • 56

    Mostly Cloudy

    • 49
    • 56

    Partly Sunny

    • 50
    • 55

    Mostly Sunny

    • 52
    • 58

    Partly Sunny

    • 52
    • 57

    Mostly Sunny

Today 9 Jan San Francisco

Partly cloudy in the morning then becoming sunny. Highs in the mid 50s. Northeast Winds 5 to 15 Mph.

Tonight 9 Jan San Francisco

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 30s to mid 40s. Northeast Winds 5 to 10 Mph.

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South Farallon Islands - Southeast Temperature Statistics

January Temperature

Half Moon Bay Airport (29.8 miles)

  • Lowest 6 January, 2026

    46.4 °F

  • Average January

    55.9 °F

  • Highest 6 January, 2026

    62.6 °F

Climate (2021–Present)

Half Moon Bay Airport (29.8 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    60.5 °F
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