Riverside Weather in October
Average highs run from 70°F on October 1 to 59°F on October 31, and lows from 50°F to 40°F. Normal precipitation for the month is 4.59 in over about 10 wet days.
October day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 64°F
- Average low
- 45°F
- Precipitation
- 4.59 in
- Record high
- 90°FOct 2, 2019
- Record low
- 24°FOct 19, 1976
- Chance of a freeze
- 76%
- Daylight
- 11 h 45 min to 10 h 27 min
- Cloud cover
- 59%
- Humidity
- 77%
- Dew point
- 47°F
- Wind
- 7.2 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Oct 1 | 70°F | 50°F | 82°F 1954 | 36°F 1992 | 33% | 0% |
| Oct 2 | 70°F | 50°F | 90°F 2019 | 37°F 1997 | 33% | 0% |
| Oct 3 | 69°F | 49°F | 80°F 1983 | 34°F 1994 | 33% | 0% |
| Oct 4 | 69°F | 49°F | 84°F 1959 | 35°F 1952 | 33% | 0% |
| Oct 5 | 68°F | 49°F | 83°F 2017 | 34°F 1965 | 33% | 0% |
| Oct 6 | 68°F | 48°F | 87°F 1959 | 31°F 1965 | 33% | 0% |
| Oct 7 | 68°F | 48°F | 80°F 2007 | 32°F 1986 | 33% | 0% |
| Oct 8 | 67°F | 47°F | 87°F 2007 | 32°F 1988 | 34% | 0% |
| Oct 9 | 67°F | 47°F | 81°F 1949 | 31°F 2001 | 34% | 0% |
| Oct 10 | 67°F | 47°F | 87°F 1949 | 30°F 1979 | 34% | 0% |
| Oct 11 | 66°F | 46°F | 82°F 1949 | 30°F 1993 | 34% | 0% |
| Oct 12 | 66°F | 46°F | 83°F 1954 | 30°F 1964 | 34% | 0% |
| Oct 13 | 65°F | 46°F | 85°F 1954 | 30°F 2012 | 33% | 0% |
| Oct 14 | 65°F | 45°F | 78°F 1954 | 30°F 1993 | 33% | |
| Oct 15 | 65°F | 45°F | 82°F 1956 | 34°F 1987 | 33% | |
| Oct 16 | 64°F | 44°F | 79°F 1958 | 33°F 1978 | 33% | |
| Oct 17 | 64°F | 44°F | 80°F 1963 | 32°F 1978 | 33% | |
| Oct 18 | 64°F | 44°F | 79°F 1963 | 26°F 1978 | 33% | |
| Oct 19 | 63°F | 43°F | 83°F 2016 | 24°F 1976 | 33% | |
| Oct 20 | 63°F | 43°F | 79°F 1963 | 26°F 1972 | 33% | |
| Oct 21 | 63°F | 43°F | 80°F 2024 | 24°F 1972 | 33% | |
| Oct 22 | 62°F | 42°F | 82°F 1979 | 25°F 1972 | 33% | |
| Oct 23 | 62°F | 42°F | 77°F 1978 | 29°F 1969 | 33% | |
| Oct 24 | 62°F | 42°F | 76°F 2001 | 27°F 1964 | 32% | |
| Oct 25 | 61°F | 41°F | 75°F 1963 | 29°F 1962 | 32% | |
| Oct 26 | 61°F | 41°F | 79°F 2023 | 27°F 1952 | 32% | |
| Oct 27 | 61°F | 41°F | 78°F 1963 | 26°F 1976 | 32% | |
| Oct 28 | 60°F | 41°F | 81°F 2023 | 25°F 1976 | 32% | |
| Oct 29 | 60°F | 40°F | 82°F 1989 | 29°F 1959 | 32% | |
| Oct 30 | 59°F | 40°F | 78°F 1961 | 28°F 1962 | 32% | |
| Oct 31 | 59°F | 40°F | 81°F 2024 | 27°F 1966 | 32% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- October 1
- sunrise 6:51 AM, sunset 6:36 PM
- October 31
- sunrise 7:24 AM, sunset 5:51 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00067970 (Stamford 5 N), public domain. Records: NOAA GHCN-Daily, station USW00094745, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.