Weather on February 18
Fullerton, CA
55 Years of Data
Avg High
70°F
Avg Low
47°F
Warmest
1982
70°F avg
Coldest
1994
47°F avg
About This Date
February 18th in Fullerton, CA typically brings pleasant winter weather, with average highs around 70°F and lows near 47°F. Over 56 years of records, the warmest February 18th was in 1982 (70°F average), while the coldest was 1994 (47°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 20% of February 18th dates historically, with the wettest February 18th recording 5.21" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for February 18th in Fullerton, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 58° | 50° | 54° | 0.48" | — |
| 2025 | 69° | 52° | 60° | — | — |
| 2024 | 67° | 52° | 59° | — | — |
| 2023 | 73° | 47° | 60° | — | — |
| 2022 | 77° | 49° | 63° | — | — |
| 2021 | 75° | 53° | 64° | — | — |
| 2020 | 74° | 49° | 61° | — | — |
| 2019 | 61° | 37° | 49° | — | — |
| 2018 | 74° | 48° | 61° | — | — |
| 2017 | 61° | 53° | 57° | 3.28" | — |
| 2016 | 72° | 56° | 64° | 1.32" | — |
| 2015 | 75° | 53° | 64° | — | — |
| 2014 | 74° | 55° | 64° | — | — |
| 2013 | 67° | 49° | 58° | — | — |
| 2012 | 64° | 44° | 54° | — | — |
| 2011 | 63° | 47° | 55° | 0.2" | — |
| 2010 | 74° | 47° | 60° | — | — |
| 2009 | 68° | 45° | 56° | — | — |
| 2008 | 70° | 47° | 58° | — | — |
| 2007 | 82° | 57° | 70° | — | — |
| 2006 | 61° | 43° | 52° | — | — |
| 2005 | 64° | 56° | 60° | 1.09" | — |
| 2004 | 73° | 48° | 61° | 1.07" | — |
| 2003 | 72° | 50° | 61° | — | — |
| 2002 | 62° | 40° | 51° | 0.03" | — |
| 2001 | 66° | 49° | 57° | — | — |
| 2000 | 74° | 43° | 58° | — | — |
| 1999 | 66° | 51° | 59° | — | — |
| 1998 | 65° | 41° | 53° | — | — |
| 1997 | 79° | 46° | 62° | — | — |
| 1996 | 68° | 58° | 63° | — | — |
| 1995 | 81° | 49° | 65° | — | — |
| 1994coldest | 59° | 36° | 47° | — | — |
| 1993 | 70° | 55° | 62° | 1.19" | — |
| 1992 | 69° | 47° | 58° | — | — |
| 1991 | 74° | 45° | 59° | — | — |
| 1990 | 53° | 42° | 48° | 1.42" | — |
| 1989 | 64° | 47° | 55° | — | — |
| 1988 | 70° | 47° | 58° | — | — |
| 1987 | 71° | 43° | 57° | — | — |
| 1986 | 70° | 56° | 63° | — | — |
| 1985 | 69° | 53° | 61° | — | — |
| 1984 | 73° | 40° | 56° | — | — |
| 1983 | 70° | 54° | 62° | — | — |
| 1982warmest | 82° | 57° | 70° | — | — |
| 1981 | 87° | 48° | 68° | — | — |
| 1980 | 68° | 55° | 62° | 5.21" | — |
| 1979 | 70° | 42° | 56° | — | — |
| 1978 | 73° | 40° | 56° | — | — |
| 1977 | 74° | 43° | 58° | — | — |
| 1976 | 74° | 42° | 58° | — | — |
| 1975 | 66° | 32° | 49° | — | — |
| 1974 | 64° | 38° | 51° | — | — |
| 1973 | 73° | 41° | 57° | — | — |
| 1972 | 74° | 46° | 60° | — | — |
| 1971 | 65° | 43° | 54° | 0.03" | — |
56 years of data from ANAHEIM