San Antonio Creek - Hog Island Weather Forecast

    • 49
    • 73

    Decreasing Clouds

    • 52
    • 81

    Mostly Sunny

    • 55
    • 90

    Sunny

    • 55
    • 91

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

    • 55
    • 87

    Mostly Sunny

Today 27 Sep North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 60s to 70s. Southwest Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 27 Sep North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the 40s to mid 50s. West Winds 5 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Antonio Creek - Hog Island Temperature Statistics

September Temperature

Novato / Gnoss Field (0.6 miles)

  • Lowest 6 September, 2026

    48.2 °F

  • Average September

    65.8 °F

  • Highest 9 September, 2026

    100.4 °F

Climate (2021–2026)

Novato / Gnoss Field (0.6 miles)

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

  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    72.4 °F
Get WillyWeather+ to remove ads