October weather in Brentwood, CA
The average temperature in Brentwood in October is 65.9°F (54.2°F–77.5°F). Average precipitation: 0.42 inches.
October is a fall month in Brentwood, and is warmer than the annual average of 62.5°F. Daily temperatures swing about 23.3°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 10h 59m. For travel, October is one of the best months of the year to visit.
Avg High
77.5°F
Avg Low
54.2°F
Precipitation
0.42 in
Daylight
10h 59m
October records in Brentwood
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 99.0°F (2001) | 39.9°F (1971) | 0.05 in (1983) |
| October 2 | 98.1°F (1980) | 41.0°F (1971) | 0.48 in (1976) |
| October 3 | 100.0°F (1980) | 43.0°F (1967) | 0.24 in (1981) |
| October 4 | 100.9°F (1980) | 42.1°F (1959) | 0.01 in (1972) |
| October 5 | 102.0°F (1964) | 37.0°F (1969) | 0.42 in (1994) |
| October 6 | 97.0°F (1964) | 34.0°F (2011) | 0.03 in (1975) |
| October 7 | 98.1°F (1964) | 41.0°F (1969) | 0.70 in (1973) |
| October 8 | 97.0°F (1964) | 39.9°F (1964) | 0.43 in (1973) |
| October 9 | 97.0°F (1996) | 41.0°F (1968) | 0.39 in (1997) |
| October 10 | 93.9°F (1992) | 39.9°F (1968) | 0.43 in (1957) |
| October 11 | 96.1°F (1991) | 43.0°F (1960) | 0.71 in (1972) |
| October 12 | 96.1°F (1991) | 42.1°F (1960) | 0.30 in (1972) |
| October 13 | 96.1°F (1991) | 43.0°F (1969) | 3.03 in (1962) |
| October 14 | 93.0°F (2020) | 39.9°F (1968) | 1.46 in (1962) |
| October 15 | 93.0°F (1991) | 37.9°F (1966) | 0.64 in (1972) |
| October 16 | 95.0°F (1961) | 41.0°F (1960) | 1.22 in (1972) |
| October 17 | 96.1°F (1961) | 36.0°F (1971) | 0.76 in (1984) |
| October 18 | 93.0°F (1961) | 35.1°F (1971) | 0.21 in (1969) |
| October 19 | 89.1°F (2020) | 36.0°F (1971) | 1.75 in (2004) |
| October 20 | 90.0°F (1964) | 39.0°F (1971) | 0.05 in (1970) |
| October 21 | 91.0°F (1991) | 39.0°F (1971) | 0.36 in (1985) |
| October 22 | 86.0°F (1964) | 37.9°F (1971) | 0.25 in (1989) |
| October 23 | 89.1°F (2011) | 36.0°F (1961) | 0.65 in (1973) |
| October 24 | 88.0°F (1959) | 37.9°F (1956) | 0.75 in (2004) |
| October 25 | 90.0°F (1965) | 37.9°F (1956) | 0.58 in (1998) |
| October 26 | 87.1°F (2003) | 33.1°F (1971) | 1.29 in (1991) |
| October 27 | 89.1°F (1993) | 35.1°F (1971) | 0.41 in (2016) |
| October 28 | 88.0°F (2003) | 36.0°F (1976) | 0.46 in (2016) |
| October 29 | 87.1°F (2011) | 35.1°F (1970) | 1.03 in (1964) |
| October 30 | 82.9°F (2015) | 28.0°F (1971) | 0.60 in (1996) |
| October 31 | 86.0°F (2015) | 32.0°F (1971) | 0.31 in (1974) |