Weather on October 27
Fontana, CA
55 Years of Data
Avg High
79°F
Avg Low
53°F
Warmest
1987
80°F avg
Coldest
2004
55°F avg
About This Date
October 27th in Fontana, CA typically brings pleasant fall weather, with average highs around 79°F and lows near 53°F — a 26°F daily swing. Over 55 years of records, the warmest October 27th was in 1987 (80°F average), while the coldest was 2004 (55°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 7% of October 27th dates historically, with the wettest October 27th recording 3.48" of rain. The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
Planning for October 27th in Fontana, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 54° | 64° | — | — |
| 2024 | 87° | 60° | 74° | — | — |
| 2023 | 73° | 57° | 65° | — | — |
| 2022 | 78° | 54° | 66° | — | — |
| 2021 | 88° | 52° | 70° | — | — |
| 2020 | 79° | 46° | 62° | — | — |
| 2019 | 75° | 54° | 64° | — | — |
| 2018 | 92° | 59° | 75° | — | — |
| 2017 | 91° | 58° | 74° | — | — |
| 2016 | 82° | 59° | 71° | — | — |
| 2015 | 86° | 56° | 71° | — | — |
| 2014 | 79° | 58° | 68° | — | — |
| 2013 | 77° | 52° | 64° | — | — |
| 2012 | 92° | 53° | 72° | — | — |
| 2011 | 77° | 46° | 62° | — | — |
| 2010 | 79° | 51° | 65° | — | — |
| 2009 | 70° | 53° | 61° | — | — |
| 2008 | 96° | 57° | 77° | — | — |
| 2007 | 78° | 56° | 67° | — | — |
| 2006 | 87° | 49° | 68° | — | — |
| 2005 | 65° | 56° | 60° | — | — |
| 2004coldest | 61° | 50° | 55° | 3.48" | — |
| 2003 | 92° | 56° | 74° | — | — |
| 2002 | 68° | 52° | 60° | — | — |
| 2001 | 77° | 56° | 66° | — | — |
| 2000 | 63° | 52° | 57° | 0.36" | — |
| 1999 | 79° | 51° | 65° | — | — |
| 1998 | 72° | 50° | 61° | — | — |
| 1997 | 79° | 44° | 61° | — | — |
| 1996 | 71° | 51° | 61° | — | — |
| 1995 | 88° | 52° | 70° | — | — |
| 1994 | 88° | 51° | 69° | — | — |
| 1993 | 85° | 70° | 77° | — | — |
| 1992 | 77° | 59° | 68° | — | — |
| 1991 | 71° | 47° | 59° | 0.64" | — |
| 1990 | 94° | 51° | 72° | — | — |
| 1989 | 78° | 44° | 61° | — | — |
| 1988 | 73° | 53° | 63° | — | — |
| 1987warmest | 94° | 67° | 80° | — | — |
| 1986 | 89° | 47° | 68° | — | — |
| 1985 | 87° | 48° | 68° | — | — |
| 1984 | 74° | 50° | 62° | — | — |
| 1983 | 86° | 56° | 71° | — | — |
| 1982 | 76° | 43° | 59° | — | — |
| 1981 | 68° | 53° | 61° | — | — |
| 1980 | 75° | 60° | 68° | — | — |
| 1979 | 75° | 49° | 62° | — | — |
| 1978 | 88° | 49° | 68° | — | — |
| 1977 | 81° | 51° | 66° | — | — |
| 1976 | 77° | 50° | 64° | — | — |
| 1975 | 72° | 53° | 62° | — | — |
| 1974 | 64° | 58° | 61° | — | — |
| 1973 | 91° | 44° | 68° | — | — |
| 1972 | 72° | 54° | 63° | 0.2" | — |
| 1971 | 64° | 52° | 58° | — | — |
55 years of data from FONTANA KAISER