Weather on October 15
Garden Grove, CA
55 Years of Data
Avg High
80°F
Avg Low
59°F
Warmest
1985
81°F avg
Coldest
1981
59°F avg
About This Date
October 15th in Garden Grove, CA typically brings warm fall weather, with average highs around 80°F and lows near 59°F. Over 54 years of records, the warmest October 15th was in 1985 (81°F average), while the coldest was 1981 (59°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 4% of October 15th dates historically. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for October 15th in Garden Grove, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 56° | 64° | 0.05" | — |
| 2024 | 75° | 63° | 69° | — | — |
| 2023 | 90° | 59° | 74° | — | — |
| 2022 | 72° | 63° | 67° | — | — |
| 2021 | 90° | 54° | 72° | — | — |
| 2020 | 97° | 64° | 80° | — | — |
| 2019 | 85° | 56° | 70° | — | — |
| 2018 | 79° | 61° | 70° | — | — |
| 2017 | 98° | 58° | 78° | — | — |
| 2016 | 77° | 61° | 69° | — | — |
| 2015 | 82° | 72° | 77° | — | — |
| 2014 | 80° | 67° | 73° | — | — |
| 2013 | 87° | 56° | 71° | — | — |
| 2012 | 90° | 57° | 73° | — | — |
| 2011 | 76° | 62° | 69° | — | — |
| 2010 | 72° | 61° | 66° | — | — |
| 2009 | 83° | 62° | 72° | — | — |
| 2008 | 93° | 57° | 75° | — | — |
| 2007 | 72° | 52° | 62° | — | — |
| 2006 | 71° | 59° | 65° | — | — |
| 2005 | 77° | 57° | 67° | — | — |
| 2004 | 80° | 61° | 70° | — | — |
| 2003 | 79° | 62° | 70° | — | — |
| 2002 | 71° | 58° | 64° | — | — |
| 2001 | 85° | 62° | 73° | — | — |
| 2000 | 77° | 53° | 65° | — | — |
| 1999 | 74° | 60° | 67° | — | — |
| 1998 | 73° | 61° | 67° | — | — |
| 1997 | 97° | 62° | 79° | — | — |
| 1996 | 73° | 57° | 65° | — | — |
| 1995 | 75° | 62° | 69° | — | — |
| 1994 | 73° | 59° | 66° | 0.03" | — |
| 1993 | 74° | 62° | 68° | — | — |
| 1992 | 74° | 63° | 68° | — | — |
| 1991 | 78° | 61° | 69° | — | — |
| 1990 | 77° | 63° | 70° | — | — |
| 1989 | 73° | 59° | 66° | — | — |
| 1988 | 77° | 54° | 65° | — | — |
| 1987 | 75° | 63° | 69° | — | — |
| 1986 | 80° | 56° | 68° | — | — |
| 1985warmest | 91° | 72° | 81° | — | — |
| 1984 | 76° | 59° | 67° | — | — |
| 1983 | 74° | 62° | 68° | — | — |
| 1982 | 87° | 58° | 72° | — | — |
| 1981coldest | 70° | 49° | 59° | — | — |
| 1980 | 70° | 51° | 60° | — | — |
| 1979 | 78° | 58° | 68° | — | — |
| 1978 | 83° | 58° | 70° | — | — |
| 1977 | 80° | 58° | 69° | — | — |
| 1975 | 88° | 54° | 71° | — | — |
| 1974 | 97° | 55° | 76° | — | — |
| 1973 | 82° | 54° | 68° | — | — |
| 1972 | 80° | 52° | 66° | — | — |
| 1971 | 71° | 59° | 65° | — | — |
54 years of data from SANTA ANA FIRE STN