Jewell Weather Forecast

    • 44
    • 67

    Mostly Sunny

    • 46
    • 72

    Mostly Sunny

    • 49
    • 76

    Sunny

    • 55
    • 86

    Sunny

    • 54
    • 90

    Mostly Sunny

    • 51
    • 86

    Mostly Sunny

Today 12 Oct Marin Coastal Range

Sunny. Highs in the upper 60s. Northeast Winds around 5 Mph. Becoming west in the afternoon.

Tonight 12 Oct Marin Coastal Range

Mostly clear. Lows in the upper 40s. Northwest Winds around 5 Mph.

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Jewell Temperature Statistics

October Temperature

Novato / Gnoss Field (12.4 miles)

  • Lowest 1 October, 2026

    48.2 °F

  • Average October

    66.9 °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

    57.8 °F

  • Average High 2021–2026

    72.5 °F
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