Weather on April 15
Fontana, CA
55 Years of Data
Avg High
75°F
Avg Low
49°F
Warmest
1987
76°F avg
Coldest
2009
51°F avg
About This Date
April 15th in Fontana, CA typically brings pleasant spring weather, with average highs around 75°F and lows near 49°F — a 26°F daily swing. Over 55 years of records, the warmest April 15th was in 1987 (76°F average), while the coldest was 2009 (51°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 9% of April 15th dates historically, with the wettest April 15th recording 2.41" 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 April 15th in Fontana, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 52° | 59° | — | — |
| 2024 | 68° | 47° | 57° | — | — |
| 2023 | 79° | 47° | 63° | — | — |
| 2022 | 74° | 49° | 61° | — | — |
| 2021 | 72° | 48° | 60° | — | — |
| 2020 | 82° | 50° | 66° | — | — |
| 2019 | 76° | 55° | 65° | — | — |
| 2018 | 82° | 54° | 68° | — | — |
| 2017 | 80° | 50° | 65° | — | — |
| 2016 | 79° | 50° | 64° | — | — |
| 2015 | 81° | 50° | 65° | — | — |
| 2014 | 84° | 57° | 71° | — | — |
| 2013 | 62° | 52° | 57° | — | — |
| 2012 | 71° | 40° | 55° | — | — |
| 2011 | 86° | 50° | 68° | — | — |
| 2010 | 77° | 49° | 63° | — | — |
| 2009coldest | 61° | 41° | 51° | — | — |
| 2008 | 70° | 50° | 60° | — | — |
| 2007 | 59° | 48° | 54° | — | — |
| 2006 | 65° | 51° | 58° | 0.05" | — |
| 2005 | 84° | 51° | 68° | — | — |
| 2004 | 75° | 51° | 63° | — | — |
| 2003 | 63° | 45° | 54° | 0.1" | — |
| 2002 | 69° | 52° | 60° | 0.08" | — |
| 2001 | 74° | 47° | 60° | — | — |
| 2000 | 66° | 51° | 59° | — | — |
| 1999 | 88° | 50° | 69° | — | — |
| 1998 | 64° | 40° | 52° | — | — |
| 1997 | 87° | 49° | 68° | — | — |
| 1996 | 86° | 51° | 69° | — | — |
| 1995 | 69° | 44° | 57° | — | — |
| 1994 | 84° | 53° | 69° | — | — |
| 1993 | 72° | 50° | 61° | — | — |
| 1992 | 73° | 56° | 64° | — | — |
| 1991 | 73° | 47° | 60° | — | — |
| 1990 | 75° | 55° | 65° | — | — |
| 1989 | 79° | 58° | 68° | — | — |
| 1988 | 68° | 46° | 57° | 2.41" | — |
| 1987warmest | 99° | 54° | 76° | — | — |
| 1986 | 76° | 48° | 62° | — | — |
| 1985 | 85° | 46° | 65° | — | — |
| 1984 | 96° | 49° | 72° | — | — |
| 1983 | 75° | 38° | 56° | — | — |
| 1982 | 64° | 51° | 58° | — | — |
| 1981 | 78° | 45° | 61° | — | — |
| 1980 | 83° | 45° | 64° | — | — |
| 1979 | 83° | 44° | 63° | — | — |
| 1978 | 61° | 51° | 56° | 1.65" | — |
| 1977 | 80° | 43° | 61° | — | — |
| 1976 | 58° | 48° | 53° | — | — |
| 1975 | 58° | 48° | 53° | — | — |
| 1974 | 93° | 56° | 74° | — | — |
| 1973 | 67° | 47° | 57° | — | — |
| 1972 | 82° | 45° | 63° | — | — |
| 1971 | 77° | 52° | 64° | — | — |
55 years of data from FONTANA KAISER