Vallejo Beach Weather Forecast

    • 48
    • 65

    Mostly Cloudy

    • 49
    • 64

    Decreasing Clouds

    • 47
    • 62

    Partly Sunny

    • 49
    • 60

    Mostly Cloudy

    • 49
    • 61

    Mostly Sunny

    • 51
    • 65

    Mostly Cloudy

    • 51
    • 65

    Mostly Cloudy

Today 28 Oct San Francisco Peninsula Coast

Mostly cloudy. Highs in the mid 60s.

Tonight 28 Oct San Francisco Peninsula Coast

Mostly cloudy. Lows near 50. Northwest Winds around 5 Mph late in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Vallejo Beach Temperature Statistics

October Temperature

Half Moon Bay Airport (1.9 miles)

  • Lowest 13 October, 2026

    44.6 °F

  • Average October

    60.4 °F

  • Highest 15 October, 2026

    86 °F

Climate (2021–2026)

Half Moon Bay Airport (1.9 miles)

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  • Average Low 2021–2026

    48.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    61.2 °F
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