Shell Beach Weather Forecast
- 61
- 74
Increasing Clouds
- 64
- 78
Mostly Cloudy
- 58
- 73
Partly Sunny
- 56
- 69
Partly Sunny
- 55
- 68
Partly Sunny
- 54
- 68
Partly Sunny
Today 8 Sep Coastal North Bay Including Point Reyes National Seashore
Sunny. Highs in the 70s. Southeast Winds around 5 Mph. Becoming southwest in the afternoon.
Tonight 8 Sep Coastal North Bay Including Point Reyes National Seashore
Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 60s. Northwest Winds around 5 Mph in the evening. Becoming light.
Shell Beach Temperature Statistics
September Temperature
Santa Rosa, Santa Rosa Sonoma County Airport (16.2 miles)
Lowest 5 September, 2026
46 °FAverage September
63.6 °FHighest 5 September, 2026
79 °F
Climate (2021–2026)
Santa Rosa, Santa Rosa Sonoma County Airport (16.2 miles)
Average Low 2021–2026
45.9 °FAverage 2021–2026
58.7 °FAverage High 2021–2026
72.8 °F