Gulf of the Farallones Marine Sanctuary Weather Forecast

    • 53
    • 59

    Rain Showers

    • 51
    • 56

    Rain

    • 48
    • 56

    Rain

    • 45
    • 54

    Slight Chance Rain

    • 45
    • 53

    Mostly Sunny

    • 46
    • 54

    Mostly Sunny

Today 24 Dec San Francisco Peninsula Coast

Breezy. A chance of Showers in the Morning, then Showers and a slight chance of Thunderstorms in the afternoon. Some Thunderstorms may be severe with heavy rainfall. Highs in the lower 60s. South Winds 10 to 20 Mph increasing to 20 to 30 Mph with Gusts to around 45 Mph in the afternoon.

Tonight 24 Dec San Francisco Peninsula Coast

Breezy. Showers likely in the evening. A slight chance of Thunderstorms. Showers after midnight. Some Thunderstorms may produce heavy rainfall. Lows in the lower 50s. South Winds 20 to 30 Mph. Gusts up to 50 Mph increasing to 60 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Gulf of the Farallones Marine Sanctuary Temperature Statistics

December Temperature

Half Moon Bay Airport (11.8 miles)

  • Lowest 15 December, 2025

    39.2 °F

  • Average December

    54.1 °F

  • Highest 11 December, 2025

    71.6 °F

Climate (2020–Present)

Half Moon Bay Airport (11.8 miles)

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

  • Average Low 2020–2025

    48.1 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    60.4 °F
Get WillyWeather+ to remove ads