Half Moon Bay - Pillar Point Harbor Weather Forecast

    • 54
    • 63

    Partly Sunny

    • 54
    • 62

    Mostly Cloudy

    • 53
    • 59

    Mostly Cloudy

    • 54
    • 64

    Partly Sunny

    • 55
    • 69

    Partly Sunny

    • 55
    • 69

    Partly Sunny

Today 25 Sep San Francisco Peninsula Coast

Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 60s. Northwest Winds 10 to 20 Mph.

Tonight 25 Sep San Francisco Peninsula Coast

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. Northwest Winds 10 to 20 Mph becoming 5 to 10 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Half Moon Bay - Pillar Point Harbor Temperature Statistics

September Temperature

Half Moon Bay Airport (1.2 miles)

  • Lowest 8 September, 2026

    50 °F

  • Average September

    61.1 °F

  • Highest 9 September, 2026

    89.6 °F

Climate (2021–2026)

Half Moon Bay Airport (1.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    48.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    61.1 °F
Get WillyWeather+ to remove ads