October weather in Riverside, CA
The average temperature in Riverside in October is 69.4°F (54.5°F–84.3°F). Average precipitation: 0.44 inches.
October is a fall month in Riverside, and is warmer than the annual average of 66.9°F. Daily temperatures swing about 29.8°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 11h 8m. For travel, October is a comfortable month to visit.
Avg High
84.3°F
Avg Low
54.5°F
Precipitation
0.44 in
Daylight
11h 8m
October records in Riverside
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 109.0°F (1980) | 39.0°F (1930) | 1.36 in (1983) |
| October 2 | 108.0°F (1980) | 39.0°F (1950) | 0.32 in (1916) |
| October 3 | 108.0°F (1917) | 39.9°F (1916) | 0.65 in (1912) |
| October 4 | 108.0°F (1987) | 39.9°F (1919) | 1.27 in (1925) |
| October 5 | 104.0°F (1943) | 37.9°F (1916) | 0.40 in (2011) |
| October 6 | 104.0°F (1996) | 39.0°F (1913) | 0.12 in (1924) |
| October 7 | 107.1°F (1996) | 35.1°F (1916) | 0.30 in (1923) |
| October 8 | 102.0°F (1910) | 37.0°F (1916) | 0.25 in (2021) |
| October 9 | 102.9°F (1991) | 35.1°F (1949) | 0.59 in (1932) |
| October 10 | 106.0°F (1991) | 36.0°F (1949) | 0.67 in (1960) |
| October 11 | 102.0°F (1934) | 34.0°F (1924) | 0.72 in (2012) |
| October 12 | 107.1°F (1950) | 35.1°F (1924) | 0.41 in (1928) |
| October 13 | 105.1°F (1950) | 36.0°F (1928) | 0.75 in (2018) |
| October 14 | 102.0°F (1954) | 37.0°F (1928) | 0.59 in (2025) |
| October 15 | 100.9°F (1958) | 37.0°F (1920) | 0.45 in (1938) |
| October 16 | 105.1°F (1958) | 37.9°F (1920) | 1.15 in (1936) |
| October 17 | 102.9°F (1958) | 37.0°F (1946) | 0.64 in (1948) |
| October 18 | 104.0°F (1921) | 37.0°F (1904) | 0.80 in (1934) |
| October 19 | 106.0°F (1921) | 33.1°F (1949) | 0.63 in (1920) |
| October 20 | 104.0°F (1940) | 33.1°F (1949) | 2.50 in (2004) |
| October 21 | 102.9°F (2003) | 32.0°F (1949) | 0.25 in (1957) |
| October 22 | 102.9°F (1917) | 34.0°F (1949) | 0.73 in (1941) |
| October 23 | 100.9°F (1959) | 30.9°F (1906) | 1.03 in (1987) |
| October 24 | 100.9°F (1909) | 34.0°F (1906) | 1.09 in (2016) |
| October 25 | 100.9°F (1926) | 35.1°F (1935) | 0.37 in (1951) |
| October 26 | 100.0°F (1915) | 36.0°F (1949) | 0.93 in (1940) |
| October 27 | 98.1°F (1965) | 36.0°F (1916) | 1.75 in (2004) |
| October 28 | 105.1°F (1915) | 37.0°F (1970) | 0.36 in (1927) |
| October 29 | 95.0°F (1915) | 33.1°F (1919) | 0.39 in (1942) |
| October 30 | 97.0°F (1966) | 30.0°F (1971) | 1.25 in (1936) |
| October 31 | 100.0°F (1918) | 30.9°F (1935) | 2.27 in (1927) |