Bel Marin Keys Weather Forecast

    • 52
    • 69

    Decreasing Clouds

    • 54
    • 71

    Mostly Cloudy

    • 52
    • 67

    Mostly Cloudy

    • 48
    • 63

    Slight Chance Rain

    • 48
    • 65

    Mostly Sunny

    • 47
    • 68

    Mostly Cloudy

Today 26 Feb North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Areas of fog in the morning. Highs in the mid 60s to lower 70s. North Winds up to 5 Mph. Becoming west in the afternoon.

Tonight 26 Feb North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the 40s to upper 50s. Northwest Winds up to 5 Mph.

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  • Temperature Real-Time

Bel Marin Keys Temperature Statistics

February Temperature

Novato / Gnoss Field (4.3 miles)

  • Lowest 18 February, 2026

    35.6 °F

  • Average February

    52.8 °F

  • Highest 2 February, 2026

    75.2 °F

Climate (2021–Present)

Novato / Gnoss Field (4.3 miles)

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  • Average Low 2021–2026

    46.4 °F

  • Average 2021–2026

    57.5 °F

  • Average High 2021–2026

    72.3 °F
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