Jewell Weather Forecast

    • 49
    • 72

    Becoming Sunny

    • 49
    • 75

    Mostly Sunny

    • 51
    • 69

    Partly Sunny

    • 51
    • 74

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

    • 50
    • 70

    Mostly Sunny

Today 31 May Marin Coastal Range

Sunny. Highs in the mid 70s. West Winds 5 to 10 Mph.

Tonight 31 May Marin Coastal Range

Mostly clear. Lows in the upper 40s. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Jewell Temperature Statistics

May Temperature

Novato / Gnoss Field (12.4 miles)

  • Lowest 4 May, 2026

    46.4 °F

  • Average May

    61.7 °F

  • Highest 19 May, 2026

    89.6 °F

Climate (2021–Present)

Novato / Gnoss Field (12.4 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    72.5 °F
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