Jewell Weather Forecast

    • 47
    • 60

    Mostly Cloudy

    • 49
    • 64

    Rain Showers Likely

    • 50
    • 65

    Rain Showers Likely

    • 46
    • 64

    Partly Sunny

    • 46
    • 68

    Mostly Sunny

    • 49
    • 68

    Slight Chance Rain Showers

Today 19 Oct Marin Coastal Range

Partly cloudy in the morning then becoming mostly cloudy. Highs around 60. West Winds 10 to 15 Mph.

Tonight 19 Oct Marin Coastal Range

Cloudy. A slight chance of rain after midnight. Lows in the upper 40s. West Winds 5 to 10 Mph.

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Jewell Temperature Statistics

October Temperature

Novato / Gnoss Field (12.4 miles)

  • Lowest 13 October, 2026

    42.8 °F

  • Average October

    63.9 °F

  • Highest 3 October, 2026

    100.4 °F

Climate (2021–2026)

Novato / Gnoss Field (12.4 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    72.5 °F
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