Weather on May 28
Mission Viejo, CA
55 Years of Data
Avg High
75°F
Avg Low
56°F
Warmest
1984
78°F avg
Coldest
1980
58°F avg
About This Date
May 28th in Mission Viejo, CA typically brings pleasant spring weather, with average highs around 75°F and lows near 56°F. Over 55 years of records, the warmest May 28th was in 1984 (78°F average), while the coldest was 1980 (58°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 28th dates historically, with the wettest May 28th recording 1.4" of rain. The last decade has been 3.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.8°F cooler on this date compared to 20-30 years ago.
Planning for May 28th in Mission Viejo, CA? Great weather for outdoor activities.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 56° | 64° | — | — |
| 2024 | 73° | 54° | 63° | — | — |
| 2023 | 63° | 56° | 59° | — | — |
| 2022 | 66° | 56° | 61° | — | — |
| 2021 | 74° | 54° | 64° | — | — |
| 2020 | 78° | 57° | 68° | — | — |
| 2019 | 69° | 48° | 59° | — | — |
| 2018 | 75° | 53° | 64° | — | — |
| 2017 | 74° | 52° | 63° | — | — |
| 2016 | 73° | 55° | 64° | — | — |
| 2015 | 75° | 56° | 65° | — | — |
| 2014 | 78° | 59° | 69° | — | — |
| 2013 | 74° | 56° | 65° | — | — |
| 2012 | 79° | 52° | 65° | — | — |
| 2011 | 70° | 53° | 61° | — | — |
| 2010 | 70° | 47° | 58° | — | — |
| 2009 | 75° | 57° | 66° | — | — |
| 2008 | 72° | 48° | 60° | — | — |
| 2007 | 72° | 53° | 62° | — | — |
| 2006 | 76° | 50° | 63° | — | — |
| 2005 | 79° | 58° | 68° | — | — |
| 2004 | 67° | 54° | 60° | — | — |
| 2003 | 90° | 56° | 73° | — | — |
| 2002 | 79° | 50° | 64° | — | — |
| 2001 | 64° | 56° | 60° | — | — |
| 2000 | 91° | 59° | 75° | — | — |
| 1999 | 73° | 56° | 64° | — | — |
| 1998 | 73° | 53° | 63° | — | — |
| 1997 | 90° | 64° | 77° | — | — |
| 1996 | 72° | 55° | 63° | — | — |
| 1995 | 73° | 57° | 65° | — | — |
| 1994 | 80° | 56° | 68° | — | — |
| 1993 | 73° | 59° | 66° | — | — |
| 1992 | 74° | 63° | 68° | — | — |
| 1991 | 73° | 60° | 67° | — | — |
| 1990 | 66° | 56° | 61° | 1.4" | — |
| 1989 | 72° | 59° | 65° | — | — |
| 1988 | 66° | 55° | 61° | — | — |
| 1987 | 67° | 52° | 59° | — | — |
| 1986 | 79° | 60° | 69° | — | — |
| 1985 | 72° | 52° | 62° | — | — |
| 1984warmest | 95° | 60° | 78° | — | — |
| 1983 | 78° | 61° | 69° | — | — |
| 1982 | 69° | 59° | 64° | — | — |
| 1981 | 78° | 63° | 70° | — | — |
| 1980coldest | 67° | 50° | 58° | — | — |
| 1979 | 68° | 59° | 64° | — | — |
| 1978 | 94° | 57° | 75° | — | — |
| 1977 | 73° | 54° | 63° | — | — |
| 1976 | 63° | 58° | 60° | 0.13" | — |
| 1975 | 72° | 57° | 64° | — | — |
| 1974 | 71° | 55° | 63° | — | — |
| 1973 | 98° | 53° | 76° | — | — |
| 1972 | 90° | 61° | 75° | — | — |
| 1971 | 65° | 54° | 59° | 0.56" | — |
55 years of data from EL TORO MCAS