Weather on May 28
Pomona, CA
55 Years of Data
Avg High
78°F
Avg Low
54°F
Warmest
2003
83°F avg
Coldest
1971
56°F avg
About This Date
May 28th in Pomona, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 54°F. Over 53 years of records, the warmest May 28th was in 2003 (83°F average), while the coldest was 1971 (56°F) — a 27°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 2.72" of rain. The last decade has been 5.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.6°F cooler on this date compared to 20-30 years ago.
Planning for May 28th in Pomona, CA? Great weather for outdoor activities.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 57° | 65° | — | — |
| 2024 | 78° | 49° | 63° | — | — |
| 2023 | 64° | 51° | 58° | — | — |
| 2022 | 62° | 52° | 57° | — | — |
| 2021 | 79° | 48° | 63° | — | — |
| 2020 | 83° | 58° | 70° | — | — |
| 2019 | 70° | 44° | 57° | — | — |
| 2018 | 82° | 50° | 66° | — | — |
| 2017 | 83° | 50° | 66° | — | — |
| 2016 | 75° | 50° | 63° | — | — |
| 2015 | 82° | 50° | 66° | — | — |
| 2014 | 87° | 54° | 70° | — | — |
| 2013 | 76° | 53° | 64° | — | — |
| 2012 | 88° | 53° | 70° | — | — |
| 2011 | 73° | 54° | 63° | — | — |
| 2010 | 70° | 44° | 57° | — | — |
| 2009 | 94° | 60° | 77° | — | — |
| 2008 | 77° | 47° | 62° | — | — |
| 2007 | 78° | 56° | 67° | — | — |
| 2006 | 80° | 48° | 64° | — | — |
| 2005 | 78° | 58° | 68° | — | — |
| 2004 | 68° | 59° | 64° | — | — |
| 2003warmest | 100° | 67° | 83° | — | — |
| 2002 | 75° | 53° | 64° | — | — |
| 2001 | 66° | 59° | 63° | — | — |
| 2000 | 93° | 64° | 79° | — | — |
| 1999 | 79° | 52° | 65° | — | — |
| 1998 | 76° | 47° | 61° | — | — |
| 1995 | 80° | 60° | 70° | — | — |
| 1994 | 79° | 55° | 67° | — | — |
| 1993 | 76° | 52° | 64° | — | — |
| 1992 | 69° | 53° | 61° | — | — |
| 1991 | 74° | 48° | 61° | — | — |
| 1990 | 73° | 55° | 64° | 2.72" | — |
| 1989 | 78° | 55° | 67° | — | — |
| 1988 | 68° | 55° | 62° | — | — |
| 1987 | 75° | 52° | 63° | — | — |
| 1986 | 84° | 52° | 68° | — | — |
| 1985 | 78° | 52° | 65° | — | — |
| 1984 | 101° | 57° | 79° | — | — |
| 1983 | 87° | 57° | 72° | — | — |
| 1982 | 66° | 54° | 60° | — | — |
| 1981 | 78° | 56° | 67° | — | — |
| 1980 | 66° | 46° | 56° | — | — |
| 1979 | 71° | 58° | 64° | — | — |
| 1978 | 86° | 55° | 71° | — | — |
| 1977 | 74° | 48° | 61° | — | — |
| 1976 | 78° | 59° | 69° | — | — |
| 1975 | 71° | 55° | 63° | — | — |
| 1974 | 82° | 57° | 70° | — | — |
| 1973 | 95° | 55° | 75° | — | — |
| 1972 | 90° | 60° | 75° | — | — |
| 1971coldest | 62° | 50° | 56° | 0.03" | — |
53 years of data from POMONA/FAIRPLEX