Dietmar Rabich / CC BY-SA 4.0
Fullerton, CA Weather on October 10
October 10th in Fullerton, CA typically brings warm fall weather, with average highs around 83°F and lows near 59°F. Over 55 years of records, the warmest October 10th was in 2015 (90°F average), while the coldest was 2013 (59°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 5% of October 10th dates historically. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
What to Expect on October 10
Planning for October 10th in Fullerton, CA? Stay hydrated and seek shade during peak afternoon hours.
October 10 Weather Records for Fullerton
- •The all-time record high for October 10th in Fullerton, CA is 107°F, set in 1991.
- •The coldest October 10th on record dropped to 43°F in 1973.
- •Temperatures have reached 90°F or higher on October 10th in 13 of the last 55 years.
- •Last year (1971), October 10th was 18°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest October 10 ever in Fullerton?
The warmest October 10 in Fullerton, CA reached 107°F in 1991. That is 24°F above the long-term average high of 83°F.
What was the coldest October 10 ever in Fullerton?
The coldest October 10 in Fullerton, CA dropped to 43°F in 1973. That is 16°F below the long-term average low of 59°F.
What is the average temperature on October 10 in Fullerton?
On October 10, Fullerton averages a high of 83°F and a low of 59°F based on 55 years of NOAA weather observations from ANAHEIM.
How many years of weather data are available for October 10 in Fullerton?
We have 55 years of weather records for October 10 in Fullerton, 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 10 Weather History in Fullerton
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 86°F | 63°F | 0" | -- |
| 2024 | 84°F | 61°F | 0" | -- |
| 2023 | 77°F | 63°F | 0" | -- |
| 2022 | 84°F | 67°F | 0" | -- |
| 2021 | 85°F | 55°F | 0" | -- |
| 2020 | 81°F | 67°F | 0" | -- |
| 2019 | 87°F | 62°F | 0" | -- |
| 2018 | 78°F | 61°F | 0" | -- |
| 2017 | 90°F | 59°F | 0" | -- |
| 2016 | 91°F | 61°F | 0" | -- |
| 2015 | 104°F | 75°F | 0" | -- |
| 2014 | 82°F | 60°F | 0" | -- |
| 2013 | 70°F | 49°F | 0.16" | -- |
| 2012 | 76°F | 59°F | 0" | -- |
| 2011 | 82°F | 54°F | 0" | -- |
| 2010 | 95°F | 59°F | 0" | -- |
| 2009 | 74°F | 58°F | 0" | -- |
| 2008 | 76°F | 64°F | 0" | -- |
| 2007 | 79°F | 52°F | 0" | -- |
| 2006 | 77°F | 63°F | 0" | -- |
| 2005 | 84°F | 54°F | 0" | -- |
| 2004 | 75°F | 62°F | 0" | -- |
| 2003 | 78°F | 65°F | 0" | -- |
| 2002 | 80°F | 59°F | 0" | -- |
| 2001 | 80°F | 53°F | 0" | -- |
| 2000 | 76°F | 59°F | 0.05" | -- |
| 1999 | 95°F | 62°F | 0" | -- |
| 1998 | 79°F | 55°F | 0" | -- |
| 1997 | 82°F | 57°F | 0" | -- |
| 1996 | 84°F | 58°F | 0" | -- |
| 1995 | 80°F | 55°F | 0" | -- |
| 1994 | 99°F | 68°F | 0" | -- |
| 1993 | 78°F | 59°F | 0" | -- |
| 1992 | 87°F | 55°F | 0" | -- |
| 1991 | 107°F | 66°F | 0" | -- |
| 1990 | 91°F | 61°F | 0" | -- |
| 1989 | 79°F | 59°F | 0" | -- |
| 1988 | 92°F | 60°F | 0" | -- |
| 1987 | 78°F | 60°F | 0" | -- |
| 1986 | 71°F | 61°F | 0.3" | -- |
| 1985 | 83°F | 55°F | 0" | -- |
| 1984 | 74°F | 61°F | 0" | -- |
| 1983 | 80°F | 57°F | 0" | -- |
| 1982 | 96°F | 66°F | 0" | -- |
| 1981 | 78°F | 56°F | 0" | -- |
| 1980 | 84°F | 66°F | 0" | -- |
| 1979 | 83°F | 50°F | 0" | -- |
| 1978 | 94°F | 55°F | 0" | -- |
| 1977 | 81°F | 60°F | 0" | -- |
| 1976 | 92°F | 58°F | 0" | -- |
| 1975 | 72°F | 50°F | 0" | -- |
| 1974 | 76°F | 48°F | 0" | -- |
| 1973 | 81°F | 43°F | 0" | -- |
| 1972 | 76°F | 52°F | 0" | -- |
| 1971 | 101°F | 56°F | 0" | -- |
Based on 55 years of data from NOAA station: ANAHEIM
Monthly Climate Averages
Historical temperature and precipitation averages for Fullerton, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.