Tomales Bay State Park Weather Forecast

    • 48
    • 61

    Mostly Sunny

    • 49
    • 62

    Mostly Sunny

    • 50
    • 63

    Mostly Sunny

    • 49
    • 63

    Mostly Cloudy

    • 50
    • 61

    Mostly Cloudy

    • 49
    • 61

    Partly Sunny

    • 49
    • 60

    Slight Chance Rain

Today 28 Apr Coastal North Bay Including Point Reyes National Seashore

Sunny. Highs in the lower to mid 60s. West Winds around 10 Mph.

Tonight 28 Apr Coastal North Bay Including Point Reyes National Seashore

Mostly clear. Lows in the upper 40s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tomales Bay State Park Temperature Statistics

April Temperature

Petaluma Municipal Airport (18 miles)

  • Lowest 18 April, 2026

    35.6 °F

  • Average April

    56.3 °F

  • Highest 5 April, 2026

    84.2 °F

Climate (2021–Present)

Petaluma Municipal Airport (18 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.6 °F
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