Sonoma Raceway Weather Forecast

    • 48
    • 49

    Increasing Clouds

    • 55
    • 57

    Rain

    • 48
    • 59

    Rain Likely

    • 52
    • 56

    Rain Likely

    • 51
    • 56

    Rain

    • 48
    • 55

    Rain Likely

    • 49
    • 53

    Rain Likely

Today 15 Dec North Bay Interior Valleys

Mostly cloudy. Highs in the mid 40s to upper 50s. South Winds 5 to 10 Mph.

Tonight 15 Dec North Bay Interior Valleys

Mostly cloudy. Areas of fog in the evening. Patchy fog after midnight. A slight chance of rain after midnight. Lows in the mid 40s to lower 50s. West Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sonoma Raceway Temperature Statistics

December Temperature

Novato / Gnoss Field (5.6 miles)

  • Lowest 2 December, 2025

    37.4 °F

  • Average December

    45.8 °F

  • Highest 3 December, 2025

    71.6 °F

Climate (2020–Present)

Novato / Gnoss Field (5.6 miles)

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

  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    72.3 °F
Get WillyWeather+ to remove ads