Half Moon Bay - Princeton Weather Forecast

    • 50
    • 60

    Chance Rain

    • 52
    • 61

    Mostly Cloudy

    • 52
    • 61

    Mostly Cloudy

    • 51
    • 61

    Mostly Cloudy

    • 52
    • 62

    Mostly Sunny

    • 51
    • 67

    Mostly Sunny

Today 4 May San Francisco Peninsula Coast

Mostly cloudy. Highs in the lower 60s. Southwest Winds 5 to 10 Mph.

Tonight 4 May San Francisco Peninsula Coast

Mostly cloudy. Lows around 50. West Winds around 5 Mph.

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Half Moon Bay - Princeton Temperature Statistics

May Temperature

Half Moon Bay Airport (0.6 miles)

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Climate (2021–Present)

Half Moon Bay Airport (0.6 miles)

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    60.9 °F
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