Russian River Mouth Weather Forecast
- 54
- 64
Mostly Sunny
- 55
- 62
Partly Sunny
- 56
- 64
Mostly Sunny
- 59
- 67
Mostly Cloudy
- 60
- 69
Mostly Sunny
- 59
- 69
Mostly Sunny
- 59
- 68
Partly Sunny
Today 12 Mar Coastal North Bay Including Point Reyes National Seashore
Sunny. Highs in the 60s to mid 70s. West Winds 5 to 15 Mph.
Tonight 12 Mar Coastal North Bay Including Point Reyes National Seashore
Partly cloudy. Lows in the upper 40s. Northwest Winds 5 to 15 Mph.
Russian River Mouth Temperature Statistics
March Temperature
Santa Rosa, Santa Rosa Sonoma County Airport (16.8 miles)
Lowest 10 March, 2026
39.9 °FAverage March
58.6 °FHighest 8 March, 2026
80.1 °F
Climate (2021–Present)
Santa Rosa, Santa Rosa Sonoma County Airport (16.8 miles)
Average Low 2021–2026
45.7 °FAverage 2021–2026
58.1 °FAverage High 2021–2026
72.6 °F