Dietmar Rabich / CC BY-SA 4.0
Riverside, CA Weather on October 11
October 11th in Riverside, CA typically brings warm fall weather, with average highs around 84°F and lows near 55°F — a 29°F daily swing. Over 55 years of records, the warmest October 11th was in 2015 (85°F average), while the coldest was 1981 (57°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 15% of October 11th dates historically, with the wettest October 11th recording 0.72" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
What to Expect on October 11
Planning for October 11th in Riverside, CA? Stay hydrated and seek shade during peak afternoon hours.
October 11 Weather Records for Riverside
- •The all-time record high for October 11th in Riverside, CA is 102°F, set in 1971.
- •The coldest October 11th on record dropped to 45°F in 1973.
- •Temperatures have reached 90°F or higher on October 11th in 15 of the last 55 years.
- •Last year (1971), October 11th was 18°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest October 11 ever in Riverside?
The warmest October 11 in Riverside, CA reached 102°F in 1971. That is 18°F above the long-term average high of 84°F.
What was the coldest October 11 ever in Riverside?
The coldest October 11 in Riverside, CA dropped to 45°F in 1973. That is 10°F below the long-term average low of 55°F.
What is the average temperature on October 11 in Riverside?
On October 11, Riverside averages a high of 84°F and a low of 55°F based on 55 years of NOAA weather observations from RIVERSIDE CITRUS EXP.
How many years of weather data are available for October 11 in Riverside?
We have 55 years of weather records for October 11 in Riverside, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
October 11 Weather History in Riverside
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 86°F | 61°F | 0" | -- |
| 2024 | 95°F | 58°F | 0" | -- |
| 2023 | 77°F | 58°F | 0.01" | -- |
| 2022 | 82°F | 63°F | 0.03" | -- |
| 2021 | 74°F | 51°F | 0" | -- |
| 2020 | 83°F | 58°F | 0" | -- |
| 2019 | 86°F | 61°F | 0" | -- |
| 2018 | 76°F | 59°F | 0" | -- |
| 2017 | 83°F | 56°F | 0" | -- |
| 2016 | 83°F | 57°F | 0" | -- |
| 2015 | 101°F | 69°F | 0" | -- |
| 2014 | 89°F | 59°F | 0" | -- |
| 2013 | 80°F | 46°F | 0" | -- |
| 2012 | 80°F | 54°F | 0.72" | -- |
| 2011 | 91°F | 54°F | 0" | -- |
| 2010 | 93°F | 61°F | 0" | -- |
| 2009 | 70°F | 53°F | 0" | -- |
| 2008 | 73°F | 47°F | 0" | -- |
| 2007 | 80°F | 49°F | 0" | -- |
| 2006 | 84°F | 49°F | 0" | -- |
| 2005 | 85°F | 50°F | 0" | -- |
| 2004 | 86°F | 50°F | 0" | -- |
| 2003 | 91°F | 57°F | 0" | -- |
| 2002 | 76°F | 56°F | 0" | -- |
| 2001 | 86°F | 51°F | 0" | -- |
| 2000 | 65°F | 50°F | 0.04" | -- |
| 1999 | 97°F | 56°F | 0" | -- |
| 1998 | 86°F | 49°F | 0" | -- |
| 1997 | 72°F | 49°F | 0" | -- |
| 1996 | 91°F | 52°F | 0" | -- |
| 1995 | 81°F | 54°F | 0" | -- |
| 1994 | 88°F | 53°F | 0" | -- |
| 1993 | 79°F | 61°F | 0.08" | -- |
| 1992 | 93°F | 54°F | 0" | -- |
| 1991 | 99°F | 64°F | 0" | -- |
| 1990 | 89°F | 47°F | 0" | -- |
| 1989 | 86°F | 52°F | 0" | -- |
| 1988 | 93°F | 59°F | 0" | -- |
| 1987 | 78°F | 55°F | 0.43" | -- |
| 1986 | 68°F | 59°F | 0.01" | -- |
| 1985 | 79°F | 51°F | 0" | -- |
| 1984 | 75°F | 64°F | 0" | -- |
| 1983 | 92°F | 56°F | 0" | -- |
| 1982 | 83°F | 50°F | 0" | -- |
| 1981 | 64°F | 50°F | 0.05" | -- |
| 1980 | 92°F | 55°F | 0" | -- |
| 1979 | 81°F | 54°F | 0" | -- |
| 1978 | 94°F | 56°F | 0" | -- |
| 1977 | 81°F | 53°F | 0" | -- |
| 1976 | 97°F | 53°F | 0" | -- |
| 1975 | 75°F | 58°F | 0" | -- |
| 1974 | 76°F | 49°F | 0" | -- |
| 1973 | 78°F | 45°F | 0" | -- |
| 1972 | 73°F | 49°F | 0" | -- |
| 1971 | 102°F | 65°F | 0" | -- |
Based on 55 years of data from NOAA station: RIVERSIDE CITRUS EXP
Monthly Climate Averages
Historical temperature and precipitation averages for Riverside, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.