Weather on May 18
Vista, CA
55 Years of Data
Avg High
71°F
Avg Low
56°F
Warmest
2008
74°F avg
Coldest
1977
56°F avg
About This Date
May 18th in Vista, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 56°F. Over 55 years of records, the warmest May 18th was in 2008 (74°F average), while the coldest was 1977 (56°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 18th dates historically, with the wettest May 18th recording 1.14" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 18th in Vista, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 57° | 61° | — | — |
| 2024 | 66° | 58° | 62° | — | — |
| 2023 | 66° | 58° | 62° | — | — |
| 2022 | 65° | 58° | 61° | — | — |
| 2021 | 66° | 59° | 63° | — | — |
| 2020 | 71° | 62° | 67° | 0.03" | — |
| 2019 | 68° | 54° | 61° | — | — |
| 2018 | 64° | 58° | 61° | — | — |
| 2017 | 67° | 55° | 61° | — | — |
| 2016 | 68° | 61° | 64° | — | — |
| 2015 | 66° | 59° | 63° | — | — |
| 2014 | 69° | 62° | 66° | — | — |
| 2013 | 69° | 62° | 66° | — | — |
| 2012 | 68° | 59° | 64° | — | — |
| 2011 | 66° | 57° | 62° | 1.14" | — |
| 2010 | 65° | 55° | 60° | — | — |
| 2009 | 69° | 60° | 65° | — | — |
| 2008warmest | 84° | 65° | 74° | — | — |
| 2007 | 64° | 58° | 61° | — | — |
| 2006 | 66° | 61° | 63° | — | — |
| 2005 | 69° | 57° | 63° | — | — |
| 2004 | 69° | 60° | 65° | — | — |
| 2003 | 65° | 56° | 60° | — | — |
| 2002 | 60° | 57° | 59° | — | — |
| 2001 | 68° | 59° | 64° | — | — |
| 2000 | 68° | 54° | 61° | — | — |
| 1999 | 64° | 54° | 59° | — | — |
| 1998 | 69° | 52° | 60° | 0.03" | — |
| 1997 | 75° | 63° | 69° | — | — |
| 1996 | 79° | 57° | 68° | — | — |
| 1995 | 72° | 57° | 64° | — | — |
| 1994 | 65° | 47° | 56° | — | — |
| 1993 | 78° | 58° | 68° | — | — |
| 1992 | 76° | 60° | 68° | — | — |
| 1991 | 68° | 48° | 58° | — | — |
| 1990 | 69° | 56° | 62° | — | — |
| 1989 | 71° | 57° | 64° | — | — |
| 1988 | 72° | 57° | 64° | — | — |
| 1987 | 71° | 60° | 66° | — | — |
| 1986 | 87° | 52° | 69° | — | — |
| 1985 | 74° | 49° | 61° | — | — |
| 1984 | 80° | 50° | 65° | — | — |
| 1983 | 90° | 55° | 72° | — | — |
| 1982 | 78° | 57° | 68° | — | — |
| 1981 | 78° | 52° | 65° | — | — |
| 1980 | 73° | 56° | 64° | — | — |
| 1979 | 70° | 55° | 62° | — | — |
| 1978 | 87° | 58° | 72° | — | — |
| 1977coldest | 69° | 42° | 56° | — | — |
| 1976 | 74° | 54° | 64° | — | — |
| 1975 | 68° | 52° | 60° | — | — |
| 1974 | 65° | 49° | 57° | — | — |
| 1973 | 72° | 54° | 63° | — | — |
| 1972 | 67° | 54° | 60° | — | — |
| 1971 | 85° | 48° | 66° | — | — |
55 years of data from CARLSBAD MCCLELLAN PALOMAR AP