Sonoma Mountain Weather Forecast
- 47
- 59
Mostly Sunny
- 46
- 55
Partly Sunny
- 45
- 56
Mostly Sunny
- 45
- 57
Partly Sunny
- 46
- 57
Partly Sunny
- 49
- 58
Partly Sunny
- 47
- 57
Partly Sunny
Today 22 Nov North Bay Interior Valleys
Sunny. Highs in the 50s to upper 60s. West Winds up to 5 Mph.
Tonight 22 Nov North Bay Interior Valleys
Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 40s. West Winds 5 to 10 Mph.
Sonoma Mountain Temperature Statistics
November Temperature
Petaluma Municipal Airport (4.3 miles)
Lowest 20 November, 2025
41 °FAverage November
57.6 °FHighest 10 November, 2025
77 °F
Climate (2020–Present)
Petaluma Municipal Airport (4.3 miles)
Average Low 2020–2025
44.6 °FAverage 2020–2025
55.1 °FAverage High 2020–2025
68.8 °F