Tomales Bay Entrance Weather Forecast

    • 54
    • 60

    Mostly Cloudy

    • 53
    • 59

    Mostly Cloudy

    • 55
    • 61

    Partly Sunny

    • 56
    • 63

    Partly Sunny

    • 56
    • 63

    Mostly Sunny

    • 55
    • 62

    Partly Sunny

Today 5 Aug Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the upper 60s. South Winds 5 to 10 Mph.

Tonight 5 Aug Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Patchy fog in the Evening, then Areas of fog after midnight. Lows in the lower 50s. Southwest Winds up to 5 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tomales Bay Entrance Temperature Statistics

August Temperature

Petaluma Municipal Airport (19.9 miles)

  • Lowest 1 August, 2026

    48.2 °F

  • Average August

    69.1 °F

  • Highest 2 August, 2026

    93.2 °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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