Jewell Weather Forecast

    • 50
    • 69

    Increasing Clouds

    • 51
    • 69

    Partly Sunny

    • 51
    • 71

    Areas Fog

    • 52
    • 73

    Areas Fog

    • 52
    • 72

    Mostly Sunny

    • 52
    • 72

    Partly Sunny

Today 21 Jun Marin Coastal Range

Partly cloudy in the morning then becoming sunny. Highs in the upper 60s to mid 70s. Southwest Winds 5 to 10 Mph.

Tonight 21 Jun Marin Coastal Range

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. West Winds 5 to 10 Mph.

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Jewell Temperature Statistics

June Temperature

Novato / Gnoss Field (12.4 miles)

  • Lowest 7 June, 2026

    46.4 °F

  • Average June

    65.8 °F

  • Highest 11 June, 2026

    100.4 °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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