Gray Whale Cove State Beach (Devils Slide) Weather Forecast

    • 54
    • 58

    Mostly Cloudy

    • 55
    • 60

    Mostly Cloudy

    • 57
    • 61

    Mostly Cloudy

    • 57
    • 63

    Partly Sunny

    • 56
    • 62

    Partly Sunny

    • 55
    • 61

    Mostly Cloudy

Today 10 Jul San Francisco Peninsula Coast

Mostly cloudy. Highs in the lower 60s. Northwest Winds 5 to 15 Mph.

Tonight 10 Jul San Francisco Peninsula Coast

Mostly cloudy. Lows in the lower 50s. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Gray Whale Cove State Beach (Devils Slide) Temperature Statistics

July Temperature

Half Moon Bay Airport (3.1 miles)

  • Lowest 1 July, 2026

    53.6 °F

  • Average July

    56.7 °F

  • Highest 2 July, 2026

    62.6 °F

Climate (2021–2026)

Half Moon Bay Airport (3.1 miles)

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  • Average Low 2021–2026

    48.5 °F

  • Average 2021–2026

    55 °F

  • Average High 2021–2026

    61 °F
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