Jewell Weather Forecast

    • 54
    • 68

    Areas Fog

    • 54
    • 70

    Mostly Cloudy

    • 56
    • 79

    Partly Sunny

    • 55
    • 76

    Partly Sunny

    • 53
    • 72

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 53
    • 75

    Mostly Sunny

Today 19 Jul Marin Coastal Range

Mostly cloudy. Highs in the upper 60s to mid 70s. West Winds 5 to 10 Mph.

Tonight 19 Jul Marin Coastal Range

Mostly cloudy. Lows in the upper 50s. West Winds 5 to 10 Mph.

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Jewell Temperature Statistics

July Temperature

Novato / Gnoss Field (12.4 miles)

  • Lowest 1 July, 2026

    50 °F

  • Average July

    65.2 °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

    46.8 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    72.5 °F
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