Weather on March 19
Fontana, CA
55 Years of Data
Avg High
74°F
Avg Low
48°F
Warmest
2026
81°F avg
Coldest
1979
46°F avg
About This Date
March 19th in Fontana, CA typically brings pleasant spring weather, with average highs around 74°F and lows near 48°F — a 26°F daily swing. Over 56 years of records, the warmest March 19th was in 2026 (81°F average), while the coldest was 1979 (46°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 21% of March 19th dates historically, with the wettest March 19th recording 3.43" 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 March 19th in Fontana, CA? Great weather for outdoor activities.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 100° | 63° | 81° | — | — |
| 2025 | 77° | 44° | 61° | — | — |
| 2024 | 73° | 49° | 61° | — | — |
| 2023 | 65° | 51° | 58° | 0.3" | — |
| 2022 | 70° | 52° | 61° | 0.15" | — |
| 2021 | 75° | 48° | 62° | — | — |
| 2020 | 57° | 48° | 53° | 0.69" | — |
| 2019 | 77° | 56° | 66° | — | — |
| 2018 | 74° | 46° | 60° | — | — |
| 2017 | 84° | 53° | 69° | — | — |
| 2016 | 78° | 53° | 66° | — | — |
| 2015 | 80° | 58° | 69° | — | — |
| 2014 | 81° | 50° | 65° | — | — |
| 2013 | 70° | 50° | 60° | — | — |
| 2012 | 59° | 39° | 49° | — | — |
| 2011 | 62° | 50° | 56° | 0.1" | — |
| 2010 | 79° | 49° | 64° | — | — |
| 2009 | 81° | 52° | 66° | — | — |
| 2008 | 73° | 46° | 60° | — | — |
| 2007 | 64° | 52° | 58° | — | — |
| 2006 | 62° | 38° | 50° | 0.18" | — |
| 2005 | 60° | 47° | 53° | 0.3" | — |
| 2004 | 80° | 53° | 67° | — | — |
| 2003 | 69° | 42° | 56° | — | — |
| 2002 | 74° | 41° | 57° | — | — |
| 2001 | 87° | 52° | 69° | — | — |
| 2000 | 76° | 49° | 62° | — | — |
| 1999 | 74° | 43° | 58° | — | — |
| 1998 | 79° | 50° | 64° | — | — |
| 1997 | 98° | 50° | 74° | — | — |
| 1996 | 86° | 49° | 67° | — | — |
| 1995 | 71° | 56° | 63° | — | — |
| 1994 | 71° | 53° | 62° | 2.67" | — |
| 1993 | 85° | 49° | 67° | — | — |
| 1992 | 79° | 45° | 62° | — | — |
| 1991 | 65° | 45° | 55° | 1.52" | — |
| 1990 | 89° | 49° | 69° | — | — |
| 1989 | 79° | 49° | 64° | — | — |
| 1988 | 89° | 45° | 67° | — | — |
| 1987 | 64° | 51° | 58° | — | — |
| 1986 | 78° | 40° | 59° | — | — |
| 1985 | 69° | 42° | 56° | — | — |
| 1984 | 91° | 52° | 71° | — | — |
| 1983 | 61° | 36° | 48° | 0.76" | — |
| 1982 | 57° | 37° | 47° | 0.46" | — |
| 1981 | 64° | 49° | 56° | — | — |
| 1980 | 69° | 36° | 52° | 0.1" | — |
| 1979coldest | 52° | 41° | 46° | 3.43" | — |
| 1978 | 73° | 53° | 63° | — | — |
| 1977 | 73° | 44° | 59° | — | — |
| 1976 | 67° | 47° | 57° | — | — |
| 1975 | 74° | 51° | 62° | — | — |
| 1974 | 65° | 50° | 57° | — | — |
| 1973 | 60° | 44° | 52° | — | — |
| 1972 | 79° | 50° | 64° | — | — |
| 1971 | 77° | 55° | 66° | — | — |
56 years of data from FONTANA KAISER