Weather on May 27
Pomona, CA
55 Years of Data
Avg High
77°F
Avg Low
52°F
Warmest
1983
77°F avg
Coldest
2019
52°F avg
About This Date
May 27th in Pomona, CA typically brings pleasant spring weather, with average highs around 77°F and lows near 52°F — a 25°F daily swing. Over 53 years of records, the warmest May 27th was in 1983 (77°F average), while the coldest was 2019 (52°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 27th dates historically. The last decade has been 4.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.2°F cooler on this date compared to 20-30 years ago.
Planning for May 27th in Pomona, CA? Great weather for outdoor activities.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 55° | 68° | — | — |
| 2024 | 77° | 49° | 63° | — | — |
| 2023 | 71° | 49° | 60° | — | — |
| 2022 | 77° | 49° | 63° | — | — |
| 2021 | 76° | 49° | 62° | — | — |
| 2020 | 89° | 59° | 74° | — | — |
| 2019coldest | 60° | 44° | 52° | — | — |
| 2018 | 74° | 49° | 61° | — | — |
| 2017 | 75° | 50° | 63° | — | — |
| 2016 | 79° | 48° | 63° | — | — |
| 2015 | 76° | 51° | 63° | — | — |
| 2014 | 88° | 55° | 71° | — | — |
| 2013 | 78° | 50° | 64° | — | — |
| 2012 | 79° | 47° | 63° | — | — |
| 2011 | 81° | 52° | 66° | — | — |
| 2010 | 68° | 51° | 60° | — | — |
| 2009 | 82° | 58° | 70° | — | — |
| 2008 | 73° | 47° | 60° | — | — |
| 2007 | 79° | 48° | 63° | — | — |
| 2006 | 69° | 54° | 61° | — | — |
| 2005 | 81° | 57° | 69° | — | — |
| 2004 | 77° | 54° | 65° | — | — |
| 2003 | 95° | 56° | 75° | — | — |
| 2002 | 74° | 55° | 64° | — | — |
| 2001 | 66° | 58° | 62° | — | — |
| 2000 | 93° | 59° | 76° | — | — |
| 1999 | 82° | 51° | 67° | — | — |
| 1998 | 73° | 44° | 59° | — | — |
| 1995 | 79° | 51° | 65° | — | — |
| 1994 | 74° | 50° | 62° | — | — |
| 1993 | 77° | 52° | 64° | — | — |
| 1992 | 71° | 53° | 62° | — | — |
| 1991 | 69° | 44° | 57° | — | — |
| 1990 | 70° | 46° | 58° | — | — |
| 1989 | 79° | 50° | 64° | — | — |
| 1988 | 73° | 50° | 62° | — | — |
| 1987 | 67° | 53° | 60° | — | — |
| 1986 | 84° | 52° | 68° | — | — |
| 1985 | 74° | 55° | 64° | — | — |
| 1984 | 93° | 55° | 74° | — | — |
| 1983warmest | 92° | 63° | 77° | — | — |
| 1982 | 69° | 59° | 64° | — | — |
| 1981 | 76° | 58° | 67° | — | — |
| 1980 | 69° | 47° | 58° | — | — |
| 1979 | 82° | 59° | 71° | — | — |
| 1978 | 74° | 50° | 62° | — | — |
| 1977 | 75° | 47° | 61° | — | — |
| 1976 | 85° | 54° | 69° | — | — |
| 1975 | 80° | 52° | 66° | — | — |
| 1974 | 94° | 53° | 73° | — | — |
| 1973 | 77° | 49° | 63° | — | — |
| 1972 | 77° | 52° | 64° | — | — |
| 1971 | 70° | 50° | 60° | 0.2" | — |
53 years of data from POMONA/FAIRPLEX