San Francisco Bay - Coyote Hills Slough Entrance Weather Forecast

    • 57
    • 59

    Rain

    • 54
    • 59

    Rain

    • 52
    • 56

    Rain

    • 49
    • 56

    Rain

    • 51
    • 55

    Rain

    • 46
    • 52

    Rain

Today 20 Dec San Francisco Bay Shoreline

Rain likely in the Morning, then rain in the afternoon. Highs in the lower 60s. Southeast Winds 5 to 10 Mph.

Tonight 20 Dec San Francisco Bay Shoreline

Rain. Lows in the mid 50s. South Winds 10 to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Coyote Hills Slough Entrance Temperature Statistics

December Temperature

Hayward, Hayward Air Terminal (6.2 miles)

  • Lowest 3 December, 2025

    41 °F

  • Average December

    48.6 °F

  • Highest 3 December, 2025

    64.9 °F

Climate (2020–Present)

Hayward, Hayward Air Terminal (6.2 miles)

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

  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    59.2 °F

  • Average High 2020–2025

    68.8 °F
Get WillyWeather+ to remove ads