Weather on October 27
Fullerton, CA
55 Years of Data
Avg High
80°F
Avg Low
55°F
Warmest
2012
82°F avg
Coldest
1971
58°F avg
About This Date
October 27th in Fullerton, CA typically brings warm fall weather, with average highs around 80°F and lows near 55°F — a 25°F daily swing. Over 55 years of records, the warmest October 27th was in 2012 (82°F average), while the coldest was 1971 (58°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 7% of October 27th dates historically, with the wettest October 27th recording 5.59" of rain. The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
Planning for October 27th in Fullerton, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 60° | 68° | — | — |
| 2024 | 84° | 57° | 71° | — | — |
| 2023 | 76° | 59° | 67° | — | — |
| 2022 | 80° | 56° | 68° | — | — |
| 2021 | 88° | 54° | 71° | — | — |
| 2020 | 82° | 53° | 68° | — | — |
| 2019 | 87° | 56° | 71° | — | — |
| 2018 | 88° | 58° | 73° | — | — |
| 2017 | 91° | 60° | 76° | — | — |
| 2016 | 83° | 60° | 71° | — | — |
| 2015 | 89° | 61° | 75° | — | — |
| 2014 | 78° | 56° | 67° | — | — |
| 2013 | 74° | 55° | 64° | — | — |
| 2012warmest | 95° | 69° | 82° | — | — |
| 2011 | 78° | 48° | 63° | — | — |
| 2010 | 82° | 55° | 69° | — | — |
| 2009 | 88° | 57° | 72° | — | — |
| 2008 | 95° | 54° | 74° | — | — |
| 2007 | 84° | 60° | 72° | — | — |
| 2006 | 92° | 65° | 78° | — | — |
| 2005 | 68° | 57° | 63° | — | — |
| 2004 | 67° | 54° | 60° | 5.59" | — |
| 2003 | 95° | 62° | 79° | — | — |
| 2002 | 67° | 51° | 59° | — | — |
| 2001 | 77° | 56° | 66° | — | — |
| 2000 | 76° | 55° | 65° | 1.91" | — |
| 1999 | 78° | 56° | 67° | — | — |
| 1998 | 74° | 55° | 64° | — | — |
| 1997 | 80° | 51° | 66° | — | — |
| 1996 | 72° | 55° | 63° | — | — |
| 1995 | 87° | 53° | 70° | — | — |
| 1994 | 81° | 53° | 67° | — | — |
| 1993 | 88° | 75° | 81° | — | — |
| 1992 | 76° | 61° | 68° | — | — |
| 1991 | 70° | 48° | 59° | 0.76" | — |
| 1990 | 85° | 51° | 68° | — | — |
| 1989 | 75° | 49° | 62° | — | — |
| 1988 | 73° | 57° | 65° | — | — |
| 1987 | 86° | 68° | 77° | — | — |
| 1986 | 81° | 56° | 68° | — | — |
| 1985 | 75° | 61° | 68° | — | — |
| 1984 | 73° | 58° | 65° | — | — |
| 1983 | 86° | 63° | 74° | — | — |
| 1982 | 80° | 44° | 62° | — | — |
| 1981 | 69° | 56° | 62° | — | — |
| 1980 | 78° | 48° | 63° | — | — |
| 1979 | 80° | 43° | 61° | — | — |
| 1978 | 82° | 45° | 63° | — | — |
| 1977 | 73° | 48° | 61° | — | — |
| 1976 | 83° | 48° | 65° | — | — |
| 1975 | 74° | 53° | 63° | — | — |
| 1974 | 70° | 54° | 62° | — | — |
| 1973 | 97° | 44° | 70° | — | — |
| 1972 | 72° | 51° | 61° | 0.1" | — |
| 1971coldest | 66° | 50° | 58° | — | — |
55 years of data from ANAHEIM