Tomales Bay Weather Forecast
- 54
- 77
Mostly Sunny
- 53
- 63
Increasing Clouds
- 50
- 57
Partly Sunny
- 50
- 55
Chance Rain Showers
- 49
- 59
Slight Chance Rain Showers
- 51
- 62
Partly Sunny
- 49
- 60
Partly Sunny
Today 16 Oct Coastal North Bay Including Point Reyes National Seashore
Sunny. Highs in the lower 80s. West Winds 5 to 10 Mph.
Tonight 16 Oct Coastal North Bay Including Point Reyes National Seashore
Mostly clear. Lows in the mid 50s. Northwest Winds around 5 Mph in the evening. Becoming light.
Tomales Bay Temperature Statistics
October Temperature
Petaluma Municipal Airport (17.4 miles)
Lowest 13 October, 2026
39.2 °FAverage October
64.2 °FHighest 3 October, 2026
98.6 °F
Climate (2021–2026)
Petaluma Municipal Airport (17.4 miles)
Average Low 2021–2026
44.7 °FAverage 2021–2026
55.2 °FAverage High 2021–2026
68.5 °F