Weather on March 17
Fullerton, CA
55 Years of Data
Avg High
73°F
Avg Low
50°F
Warmest
2026
80°F avg
Coldest
1982
48°F avg
About This Date
March 17th in Fullerton, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 50°F. Over 56 years of records, the warmest March 17th was in 2026 (80°F average), while the coldest was 1982 (48°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 20% of March 17th dates historically, with the wettest March 17th recording 5.74" of rain. The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
Planning for March 17th in Fullerton, CA? Great weather for outdoor activities.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 100° | 59° | 80° | — | — |
| 2025 | 66° | 51° | 59° | 0.03" | — |
| 2024 | 69° | 49° | 59° | — | — |
| 2023 | 75° | 48° | 62° | — | — |
| 2022 | 89° | 54° | 71° | — | — |
| 2021 | 73° | 45° | 59° | — | — |
| 2020 | 63° | 47° | 55° | 0.76" | — |
| 2019 | 87° | 54° | 70° | — | — |
| 2018 | 63° | 53° | 58° | 0.1" | — |
| 2017 | 82° | 55° | 69° | — | — |
| 2016 | 88° | 56° | 72° | — | — |
| 2015 | 86° | 59° | 73° | — | — |
| 2014 | 89° | 53° | 71° | — | — |
| 2013 | 71° | 53° | 62° | — | — |
| 2012 | 60° | 49° | 54° | 1.42" | — |
| 2011 | 73° | 54° | 63° | — | — |
| 2010 | 90° | 57° | 73° | — | — |
| 2009 | 78° | 49° | 63° | — | — |
| 2008 | 74° | 42° | 58° | — | — |
| 2007 | 79° | 56° | 67° | — | — |
| 2006 | 60° | 46° | 53° | 0.41" | — |
| 2005 | 73° | 50° | 62° | — | — |
| 2004 | 85° | 54° | 69° | — | — |
| 2003 | 67° | 52° | 59° | — | — |
| 2002 | 61° | 41° | 51° | — | — |
| 2001 | 73° | 47° | 60° | — | — |
| 2000 | 77° | 55° | 66° | — | — |
| 1999 | 60° | 44° | 52° | — | — |
| 1998 | 67° | 57° | 62° | — | — |
| 1997 | 71° | 48° | 60° | — | — |
| 1996 | 69° | 53° | 61° | — | — |
| 1995 | 72° | 58° | 65° | — | — |
| 1994 | 75° | 53° | 64° | — | — |
| 1993 | 75° | 59° | 67° | — | — |
| 1992 | 67° | 52° | 59° | — | — |
| 1991 | 68° | 43° | 55° | — | — |
| 1990 | 79° | 53° | 66° | — | — |
| 1989 | 69° | 52° | 60° | — | — |
| 1988 | 80° | 47° | 63° | — | — |
| 1987 | 70° | 46° | 58° | 0.81" | — |
| 1986 | 65° | 42° | 53° | 0.03" | — |
| 1985 | 68° | 46° | 57° | — | — |
| 1984 | 67° | 50° | 58° | — | — |
| 1983 | 65° | 52° | 58° | 1.78" | — |
| 1982coldest | 56° | 41° | 48° | 5.74" | — |
| 1981 | 74° | 43° | 58° | — | — |
| 1980 | 80° | 49° | 64° | — | — |
| 1979 | 64° | 42° | 53° | 1.83" | — |
| 1978 | 91° | 66° | 79° | — | — |
| 1977 | 62° | 35° | 49° | 0.79" | — |
| 1976 | 81° | 54° | 67° | — | — |
| 1975 | 67° | 34° | 50° | — | — |
| 1974 | 77° | 47° | 62° | — | — |
| 1973 | 64° | 41° | 53° | — | — |
| 1972 | 64° | 52° | 58° | — | — |
| 1971 | 72° | 43° | 57° | — | — |
56 years of data from ANAHEIM