Half Moon Bay Airport Weather Forecast

    • 53
    • 63

    Increasing Clouds

    • 53
    • 63

    Rain Likely

    • 52
    • 62

    Rain Showers Likely

    • 49
    • 60

    Rain Showers Likely

    • 49
    • 58

    Chance Rain Showers

    • 49
    • 60

    Mostly Sunny

Today 8 Apr San Francisco Peninsula Coast

Partly cloudy. Highs in the upper 60s. West Winds 5 to 10 Mph.

Tonight 8 Apr San Francisco Peninsula Coast

Mostly cloudy. Patchy fog after midnight. Lows in the lower to mid 50s. West Winds around 5 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Half Moon Bay Airport Temperature Statistics

April Temperature

Half Moon Bay Airport (0 miles)

  • Lowest 3 April, 2026

    42.8 °F

  • Average April

    58.6 °F

  • Highest 4 April, 2026

    75.2 °F

Climate (2021–Present)

Half Moon Bay Airport (0 miles)

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  • Average Low 2021–2026

    48.3 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    60.8 °F
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