Jewell Weather Forecast

    • 54
    • 73

    Mostly Sunny

    • 56
    • 77

    Increasing Clouds

    • 56
    • 79

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 55
    • 84

    Mostly Sunny

Today 26 Jul Marin Coastal Range

Sunny. Highs in the mid 70s. West Winds 10 to 15 Mph.

Tonight 26 Jul Marin Coastal Range

Mostly clear. Lows in the mid 50s. West Winds 10 to 15 Mph.

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  • Temperature Real-Time

Jewell Temperature Statistics

July Temperature

Novato / Gnoss Field (12.4 miles)

  • Lowest 1 July, 2026

    50 °F

  • Average July

    66.1 °F

  • Highest 14 July, 2026

    98.6 °F

Climate (2021–2026)

Novato / Gnoss Field (12.4 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    72.5 °F
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