Tomales Bay - Sand Point Weather Forecast

    • 54
    • 63

    Partly Sunny

    • 55
    • 64

    Increasing Clouds

    • 56
    • 63

    Mostly Cloudy

    • 57
    • 61

    Chance Rain Showers

    • 58
    • 62

    Slight Chance Rain Showers

    • 56
    • 61

    Mostly Cloudy

    • 56
    • 61

    Partly Sunny

Today 15 Sep Coastal North Bay Including Point Reyes National Seashore

Sunny. Highs in the 60s to upper 70s. West Winds 5 to 10 Mph.

Tonight 15 Sep Coastal North Bay Including Point Reyes National Seashore

Mostly clear except patchy fog after midnight. Lows in the mid 50s. Northwest Winds around 5 Mph in the evening becoming light.

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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, 2025

    50 °F

  • Average September

    62.6 °F

  • Highest 1 September, 2025

    93.2 °F

Climate (2020–Present)

Petaluma Municipal Airport (19.9 miles)

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  • Average Low 2020–2025

    44.4 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    69.1 °F
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