October weather in Napa, CA
The average temperature in Napa in October is 63.7°F (49.3°F–78.1°F). Average precipitation: 1.34 inches.
October is a fall month in Napa, and is warmer than the annual average of 60.3°F. Daily temperatures swing about 28.8°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
78.1°F
Avg Low
49.3°F
Precipitation
1.34 in
Daylight
10h 59m
October records in Napa
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 106.0°F (1980) | 36.0°F (1950) | 0.81 in (1926) |
| October 2 | 102.9°F (2024) | 37.0°F (1950) | 0.64 in (1935) |
| October 3 | 102.9°F (1917) | 39.0°F (1954) | 0.97 in (1922) |
| October 4 | 100.0°F (1987) | 39.0°F (1954) | 0.52 in (2006) |
| October 5 | 100.9°F (1933) | 37.9°F (1927) | 1.00 in (1994) |
| October 6 | 102.0°F (2024) | 37.0°F (1927) | 0.90 in (1920) |
| October 7 | 100.9°F (2024) | 39.0°F (1927) | 0.58 in (1981) |
| October 8 | 102.0°F (1899) | 35.1°F (1932) | 0.59 in (1904) |
| October 9 | 100.9°F (1996) | 35.1°F (1932) | 1.18 in (1947) |
| October 10 | 99.0°F (1991) | 36.0°F (1932) | 1.35 in (1947) |
| October 11 | 100.0°F (1901) | 35.1°F (1924) | 1.83 in (1963) |
| October 12 | 100.0°F (1901) | 30.0°F (1932) | 4.66 in (1962) |
| October 13 | 99.0°F (1978) | 39.9°F (1896) | 4.66 in (1962) |
| October 14 | 97.0°F (1961) | 37.9°F (1960) | 1.22 in (1935) |
| October 15 | 100.9°F (1961) | 35.1°F (1981) | 1.88 in (1969) |
| October 16 | 97.0°F (1961) | 35.1°F (1938) | 1.20 in (1969) |
| October 17 | 96.1°F (2020) | 32.0°F (1932) | 0.92 in (1984) |
| October 18 | 97.0°F (1903) | 32.0°F (1949) | 0.26 in (1920) |
| October 19 | 95.0°F (2023) | 36.0°F (1946) | 1.03 in (1979) |
| October 20 | 93.9°F (1898) | 30.0°F (1949) | 0.74 in (1970) |
| October 21 | 95.0°F (1901) | 32.0°F (1932) | 0.76 in (1985) |
| October 22 | 93.0°F (1901) | 35.1°F (1949) | 1.22 in (2012) |
| October 23 | 93.9°F (1965) | 30.9°F (1932) | 0.75 in (1989) |
| October 24 | 95.0°F (1959) | 33.1°F (1919) | 5.35 in (2021) |
| October 25 | 93.9°F (2003) | 32.0°F (1949) | 2.88 in (1902) |
| October 26 | 93.0°F (2003) | 28.9°F (1919) | 2.40 in (1991) |
| October 27 | 93.0°F (1906) | 34.0°F (1918) | 2.15 in (1941) |
| October 28 | 91.0°F (1914) | 30.9°F (1946) | 1.15 in (2016) |
| October 29 | 90.0°F (1939) | 28.0°F (1946) | 4.84 in (1902) |
| October 30 | 89.1°F (1949) | 30.0°F (1992) | 1.41 in (1945) |
| October 31 | 91.9°F (1906) | 28.9°F (1935) | 1.20 in (1927) |