Jewell Weather Forecast

    • 51
    • 65

    Patchy Fog

    • 50
    • 65

    Mostly Cloudy

    • 49
    • 65

    Partly Sunny

    • 52
    • 72

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 52
    • 73

    Partly Sunny

Today 5 Jul Marin Coastal Range

Partly cloudy late in the morning then becoming sunny. Highs in the mid to upper 60s. Southwest Winds 5 to 10 Mph.

Tonight 5 Jul Marin Coastal Range

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 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

    62.8 °F

  • Highest 3 July, 2026

    84.2 °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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