Sebastopol Weather Forecast
- 49
- 52
Increasing Clouds
- 55
- 61
Rain
- 47
- 62
Rain Likely
- 51
- 58
Rain Likely
- 50
- 58
Rain
- 46
- 58
Rain Likely
- 48
- 56
Rain Likely
Today 15 Dec North Bay Interior Valleys
Mostly cloudy. Highs in the mid 40s to upper 50s. South Winds 5 to 10 Mph.
Tonight 15 Dec North Bay Interior Valleys
Mostly cloudy. Areas of fog in the evening. Patchy fog after midnight. A slight chance of rain after midnight. Lows in the mid 40s to lower 50s. West Winds 10 to 15 Mph.
Sebastopol Temperature Statistics
December Temperature
Santa Rosa, Santa Rosa Sonoma County Airport (6.2 miles)
Lowest 4 December, 2025
34 °FAverage December
44.1 °FHighest 3 December, 2025
68 °F
Climate (2020–Present)
Santa Rosa, Santa Rosa Sonoma County Airport (6.2 miles)
Average Low 2020–2025
45.5 °FAverage 2020–2025
57.9 °FAverage High 2020–2025
72.5 °F