Weather on May 28
Fontana, CA
55 Years of Data
Avg High
82°F
Avg Low
56°F
Warmest
2003
84°F avg
Coldest
1971
54°F avg
About This Date
May 28th in Fontana, CA typically brings warm spring weather, with average highs around 82°F and lows near 56°F — a 26°F daily swing. Over 55 years of records, the warmest May 28th was in 2003 (84°F average), while the coldest was 1971 (54°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 28th dates historically, with the wettest May 28th recording 0.99" of rain. The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
Planning for May 28th in Fontana, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 60° | 68° | — | — |
| 2024 | 80° | 54° | 67° | — | — |
| 2023 | 68° | 56° | 62° | — | — |
| 2022 | 68° | 56° | 62° | — | — |
| 2021 | 86° | 56° | 71° | — | — |
| 2020 | 88° | 60° | 74° | — | — |
| 2019 | 79° | 50° | 64° | — | — |
| 2018 | 86° | 55° | 71° | — | — |
| 2017 | 87° | 55° | 71° | — | — |
| 2016 | 79° | 56° | 67° | — | — |
| 2015 | 85° | 54° | 69° | — | — |
| 2014 | 89° | 62° | 76° | — | — |
| 2013 | 77° | 59° | 68° | — | — |
| 2012 | 89° | 56° | 72° | — | — |
| 2011 | 73° | 54° | 63° | — | — |
| 2010 | 73° | 50° | 62° | — | — |
| 2009 | 83° | 59° | 71° | — | — |
| 2008 | 76° | 51° | 63° | — | — |
| 2007 | 79° | 55° | 67° | — | — |
| 2006 | 79° | 50° | 64° | — | — |
| 2005 | 77° | 59° | 68° | — | — |
| 2004 | 67° | 58° | 62° | — | — |
| 2003warmest | 103° | 65° | 84° | — | — |
| 2002 | 84° | 52° | 68° | — | — |
| 2001 | 69° | 59° | 64° | — | — |
| 2000 | 97° | 64° | 80° | — | — |
| 1999 | 82° | 57° | 70° | — | — |
| 1998 | 76° | 50° | 63° | — | — |
| 1997 | 100° | 64° | 82° | — | — |
| 1996 | 80° | 56° | 68° | — | — |
| 1995 | 81° | 56° | 68° | — | — |
| 1994 | 79° | — | — | — | — |
| 1993 | 80° | 59° | 70° | — | — |
| 1992 | 83° | 60° | 71° | — | — |
| 1991 | 79° | 52° | 65° | — | — |
| 1990 | 70° | 56° | 63° | 0.99" | — |
| 1989 | 86° | 56° | 71° | — | — |
| 1988 | 75° | 58° | 66° | — | — |
| 1987 | 80° | 55° | 68° | — | — |
| 1986 | 92° | 55° | 73° | — | — |
| 1985 | 83° | 48° | 65° | — | — |
| 1984 | 106° | 56° | 81° | — | — |
| 1983 | 92° | 57° | 74° | — | — |
| 1982 | 72° | 56° | 64° | — | — |
| 1981 | 80° | 58° | 69° | — | — |
| 1980 | 66° | 48° | 57° | — | — |
| 1979 | 75° | 58° | 66° | — | — |
| 1978 | 95° | 52° | 73° | — | — |
| 1977 | 81° | 51° | 66° | — | — |
| 1976 | 72° | 59° | 65° | — | — |
| 1975 | 77° | 52° | 64° | — | — |
| 1974 | 88° | 56° | 72° | — | — |
| 1973 | 105° | 60° | 83° | — | — |
| 1972 | 101° | 46° | 73° | — | — |
| 1971coldest | 57° | 51° | 54° | 0.08" | — |
55 years of data from FONTANA KAISER