San Rafael Bay - West Marin Island Weather Forecast
- 54
- 66
Decreasing Clouds
- 55
- 68
Mostly Sunny
- 59
- 73
Partly Sunny
- 58
- 77
Mostly Sunny
- 60
- 78
Mostly Sunny
- 59
- 77
Mostly Sunny
- 60
- 77
Mostly Sunny
Today 13 Mar North Bay Interior Valleys
Partly cloudy. Highs in the upper 60s to lower 80s. West Winds 5 to 10 Mph.
Tonight 13 Mar North Bay Interior Valleys
Mostly cloudy in the evening then becoming partly cloudy. Lows in the 40s to mid 50s. West Winds 10 to 15 Mph.
San Rafael Bay - West Marin Island Temperature Statistics
March Temperature
Novato / Gnoss Field (12.4 miles)
Lowest 10 March, 2026
42.8 °FAverage March
59.4 °FHighest 7 March, 2026
80.6 °F
Climate (2021–Present)
Novato / Gnoss Field (12.4 miles)
Average Low 2021–2026
46.5 °FAverage 2021–2026
57.5 °FAverage High 2021–2026
72.4 °F