Bel Marin Keys Weather Forecast

    • 55
    • 75

    Increasing Clouds

    • 53
    • 78

    Mostly Sunny

    • 54
    • 78

    Mostly Sunny

    • 55
    • 81

    Partly Sunny

    • 55
    • 86

    Mostly Sunny

    • 57
    • 86

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

Today 22 Jun North Bay Interior Valleys

Mostly cloudy late in the morning then becoming sunny. Highs in the mid 60s to lower 80s. Southwest Winds 5 to 15 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 22 Jun North Bay Interior Valleys

Mostly clear in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the 40s to upper 50s. Southwest Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.

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Bel Marin Keys Temperature Statistics

June Temperature

Novato / Gnoss Field (4.3 miles)

  • Lowest 10 June, 2021

    42.8 °F
  • Average June

    65.1 °F
  • Highest 17 June, 2021

    102.2 °F

Climate (2010–Present)

Novato / Gnoss Field (4.3 miles)

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  • Average Low 2010–Present

    45.4 °F
  • Average 2010–Present

    57.7 °F
  • Average High 2010–Present

    72.7 °F
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