San Francisco Bay - San Clemente Creek Entrance Weather Forecast

    • 55
    • 72

    Becoming Sunny

    • 55
    • 79

    Becoming Sunny

    • 55
    • 81

    Partly Sunny

    • 55
    • 73

    Mostly Cloudy

    • 56
    • 73

    Partly Sunny

    • 56
    • 79

    Mostly Sunny

    • 57
    • 86

    Mostly Sunny

Today 17 Sep North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Highs in the mid 70s to lower 90s.

Tonight 17 Sep North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the 40s to upper 50s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - San Clemente Creek Entrance Temperature Statistics

September Temperature

Novato / Gnoss Field (14.9 miles)

  • Lowest 6 September, 2026

    48.2 °F

  • Average September

    67.2 °F

  • Highest 9 September, 2026

    100.4 °F

Climate (2021–2026)

Novato / Gnoss Field (14.9 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    72.5 °F
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