Weather on October 18
Garden Grove, CA
55 Years of Data
About This Date
October 18th in Garden Grove, CA typically brings pleasant fall weather, with average highs around 79°F and lows near 59°F. Over 55 years of records, the warmest October 18th was in 2003 (78°F average), while the coldest was 1971 (59°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 5% of October 18th dates historically, with the wettest October 18th recording 0.86" of rain. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for October 18th in Garden Grove, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 57° | 73° | — | — |
| 2024 | 77° | 57° | 67° | — | — |
| 2023 | 81° | 63° | 72° | — | — |
| 2022 | 90° | 61° | 75° | — | — |
| 2021 | 68° | 59° | 64° | — | — |
| 2020 | 83° | 65° | 74° | — | — |
| 2019 | 79° | 59° | 69° | — | — |
| 2018 | 89° | 57° | 73° | — | — |
| 2017 | 85° | 66° | 75° | — | — |
| 2016 | 77° | 58° | 67° | — | — |
| 2015 | 79° | 70° | 74° | — | — |
| 2014 | 79° | 65° | 72° | — | — |
| 2013 | 84° | 55° | 70° | — | — |
| 2012 | 78° | 70° | 74° | — | — |
| 2011 | 79° | 60° | 69° | — | — |
| 2010 | 70° | 60° | 65° | 0.3" | — |
| 2009 | 88° | 62° | 75° | — | — |
| 2008 | 86° | 56° | 71° | — | — |
| 2007 | 82° | 52° | 67° | — | — |
| 2006 | 76° | 51° | 63° | — | — |
| 2005 | 68° | 55° | 62° | 0.86" | — |
| 2004 | 70° | 60° | 65° | 0.05" | — |
| 2003warmest | 93° | 63° | 78° | — | — |
| 2002 | 68° | 59° | 64° | — | — |
| 2001 | 81° | 52° | 66° | — | — |
| 2000 | 75° | 58° | 66° | — | — |
| 1999 | 90° | 52° | 71° | — | — |
| 1998 | 88° | 53° | 70° | — | — |
| 1997 | 85° | 59° | 72° | — | — |
| 1996 | 74° | 60° | 67° | — | — |
| 1995 | 69° | 63° | 66° | — | — |
| 1994 | 78° | 52° | 65° | — | — |
| 1993 | 73° | 55° | 64° | — | — |
| 1992 | 76° | 61° | 68° | — | — |
| 1991 | 87° | 58° | 72° | — | — |
| 1990 | 78° | 62° | 70° | — | — |
| 1989 | 86° | 58° | 72° | — | — |
| 1988 | 79° | 62° | 70° | — | — |
| 1987 | 71° | 63° | 67° | — | — |
| 1986 | 71° | 54° | 62° | — | — |
| 1985 | 78° | 62° | 70° | — | — |
| 1984 | 73° | 60° | 67° | — | — |
| 1983 | 79° | 56° | 67° | — | — |
| 1982 | 73° | 59° | 66° | — | — |
| 1981 | 93° | 54° | 73° | — | — |
| 1980 | 85° | 47° | 66° | — | — |
| 1979 | 73° | 62° | 68° | — | — |
| 1978 | 77° | 57° | 67° | — | — |
| 1977 | 76° | 61° | 68° | — | — |
| 1976 | 79° | 61° | 70° | — | — |
| 1975 | 68° | 57° | 63° | — | — |
| 1974 | 90° | 58° | 74° | — | — |
| 1973 | 91° | 58° | 74° | — | — |
| 1972 | 72° | 59° | 65° | — | — |
| 1971coldest | 69° | 48° | 59° | — | — |
Garden Grove, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Garden Grove, CA Monthly Precipitation
Average rainfall per month, in inches.
Garden Grove, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Garden Grove, CA
Garden Grove, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.