Fallon Weather Forecast
- 50
- 63
Mostly Cloudy
- 48
- 65
Decreasing Clouds
- 54
- 65
Chance Rain
- 50
- 62
Chance Rain
- 48
- 61
Chance Rain
- 48
- 62
Partly Sunny
- 49
- 66
Mostly Sunny
Today 22 Oct Coastal North Bay Including Point Reyes National Seashore
Mostly cloudy. Highs in the lower 60s. West Winds 10 to 15 Mph.
Tonight 22 Oct Coastal North Bay Including Point Reyes National Seashore
Mostly cloudy. Lows in the lower 50s. West Winds 5 to 15 Mph.
Fallon Temperature Statistics
October Temperature
Santa Rosa, Santa Rosa Sonoma County Airport (16.2 miles)
Lowest 12 October, 2025
42.1 °FAverage October
59.8 °FHighest 7 October, 2025
89.1 °F
Climate (2020–Present)
Santa Rosa, Santa Rosa Sonoma County Airport (16.2 miles)
Average Low 2020–2025
45.3 °FAverage 2020–2025
57.8 °FAverage High 2020–2025
72.6 °F