Jewell Weather Forecast

    • 49
    • 68

    Mostly Sunny

    • 53
    • 65

    Mostly Cloudy

    • 50
    • 69

    Mostly Sunny

    • 56
    • 79

    Sunny

    • 54
    • 81

    Mostly Sunny

    • 52
    • 73

    Patchy Fog

Today 7 Jun Marin Coastal Range

Sunny. Highs around 70. Northwest Winds 5 to 15 Mph.

Tonight 7 Jun Marin Coastal Range

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. Northwest Winds 15 to 20 Mph.

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Jewell Temperature Statistics

June Temperature

Novato / Gnoss Field (12.4 miles)

  • Lowest 1 June, 2026

    50 °F

  • Average June

    65 °F

  • Highest 1 June, 2026

    91.4 °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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