Tomales Bay - Sand Point Weather Forecast

    • 56
    • 59

    Increasing Clouds

    • 55
    • 61

    Mostly Cloudy

    • 55
    • 61

    Partly Sunny

    • 55
    • 62

    Mostly Cloudy

    • 55
    • 60

    Mostly Cloudy

    • 55
    • 62

    Partly Sunny

    • 56
    • 64

    Partly Sunny

Today 16 Sep Coastal North Bay Including Point Reyes National Seashore

Mostly clear. Lows in the mid 50s. Highs in the upper 60s to mid 70s.

Tonight 16 Sep Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. A slight chance of drizzle. Patchy fog after midnight. Lows in the mid 50s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tomales Bay - Sand Point Temperature Statistics

September Temperature

Petaluma Municipal Airport (19.9 miles)

  • Lowest 7 September, 2026

    44.6 °F

  • Average September

    66 °F

  • Highest 9 September, 2026

    96.8 °F

Climate (2021–2026)

Petaluma Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.5 °F
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