Tomales Bay - Sand Point Weather Forecast

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    Rain Likely

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    Rain

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    Rain

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    Rain

Today 18 Dec Coastal North Bay Including Point Reyes National Seashore

Patchy fog. Rain likely. Highs in the upper 50s. Light Winds.

Tonight 18 Dec Coastal North Bay Including Point Reyes National Seashore

Patchy fog in the evening. Rain likely. Lows in the lower 50s. South Winds 5 to 10 Mph.

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Tomales Bay - Sand Point Temperature Statistics

December Temperature

Petaluma Municipal Airport (19.9 miles)

  • Lowest 4 December, 2025

    33.8 °F

  • Average December

    43 °F

  • Highest 3 December, 2025

    66.2 °F

Climate (2020–Present)

Petaluma Municipal Airport (19.9 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    68.6 °F
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