Olompali Weather Forecast

    • 55
    • 80

    Increasing Clouds

    • 55
    • 71

    Mostly Cloudy

    • 55
    • 73

    Partly Sunny

    • 54
    • 74

    Mostly Sunny

    • 59
    • 84

    Mostly Sunny

    • 59
    • 87

    Mostly Sunny

    • 56
    • 79

    Partly Sunny

Today 19 Sep Marin Coastal Range

Sunny. Highs in the upper 70s. Light Winds. Becoming west 5 to 10 Mph in the afternoon.

Tonight 19 Sep Marin Coastal Range

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Olompali Temperature Statistics

September Temperature

Novato / Gnoss Field (1.9 miles)

  • Lowest 6 September, 2026

    48.2 °F

  • Average September

    66.7 °F

  • Highest 9 September, 2026

    100.4 °F

Climate (2021–2026)

Novato / Gnoss Field (1.9 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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