October weather in Sonoma, CA
The average temperature in Sonoma in October is 62.5°F (47.4°F–77.5°F). Average precipitation: 1.52 inches.
October is a fall month in Sonoma, and is warmer than the annual average of 59°F. Daily temperatures swing about 30.1°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 10h 59m. For travel, October is a comfortable month to visit.
Avg High
77.5°F
Avg Low
47.4°F
Precipitation
1.52 in
Daylight
10h 59m
October records in Sonoma
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 102.9°F (1980) | 36.0°F (1954) | 0.60 in (1909) |
| October 2 | 107.1°F (1980) | 34.0°F (1954) | 1.20 in (2018) |
| October 3 | 105.1°F (1985) | 34.0°F (1954) | 0.41 in (2018) |
| October 4 | 102.0°F (1980) | 32.0°F (1954) | 0.89 in (1900) |
| October 5 | 100.0°F (1987) | 34.0°F (1969) | 0.75 in (2011) |
| October 6 | 100.0°F (2024) | 34.0°F (1969) | 0.31 in (1973) |
| October 7 | 100.0°F (2024) | 37.0°F (1982) | 0.36 in (1898) |
| October 8 | 99.0°F (1996) | 34.0°F (1968) | 1.23 in (1904) |
| October 9 | 97.0°F (1958) | 35.1°F (1955) | 1.36 in (1904) |
| October 10 | 99.0°F (1991) | 34.0°F (1968) | 1.38 in (1957) |
| October 11 | 99.0°F (1991) | 34.0°F (1985) | 1.41 in (1963) |
| October 12 | 98.1°F (1974) | 30.9°F (1985) | 4.38 in (1962) |
| October 13 | 99.0°F (1978) | 33.1°F (1960) | 3.27 in (1962) |
| October 14 | 96.1°F (1961) | 33.1°F (1985) | 0.42 in (1993) |
| October 15 | 98.1°F (1961) | 30.9°F (1966) | 1.68 in (1969) |
| October 16 | 98.1°F (1961) | 34.0°F (1985) | 1.12 in (1984) |
| October 17 | 99.0°F (1974) | 30.9°F (1984) | 0.95 in (1972) |
| October 18 | 96.1°F (1974) | 30.0°F (1971) | 0.50 in (1909) |
| October 19 | 91.9°F (2022) | 32.0°F (1905) | 1.58 in (2004) |
| October 20 | 91.9°F (1964) | 34.0°F (1905) | 3.09 in (1899) |
| October 21 | 91.0°F (1991) | 35.1°F (1905) | 1.22 in (1902) |
| October 22 | 91.0°F (1965) | 30.9°F (1961) | 1.19 in (2012) |
| October 23 | 93.9°F (1965) | 32.0°F (1961) | 1.05 in (1957) |
| October 24 | 93.9°F (1959) | 30.0°F (1956) | 3.10 in (2010) |
| October 25 | 93.0°F (2003) | 30.9°F (1954) | 2.30 in (2021) |
| October 26 | 91.9°F (1993) | 34.0°F (1953) | 2.76 in (1991) |
| October 27 | 91.9°F (2003) | 30.0°F (1970) | 0.60 in (1981) |
| October 28 | 90.0°F (2003) | 30.9°F (1956) | 1.22 in (2016) |
| October 29 | 89.1°F (1973) | 30.0°F (1970) | 2.85 in (1992) |
| October 30 | 86.0°F (1965) | 30.0°F (1971) | 1.25 in (1975) |
| October 31 | 87.1°F (1966) | 33.1°F (1971) | 0.45 in (2016) |