Weather on March 18
Vista, CA
55 Years of Data
Avg High
67°F
Avg Low
49°F
Warmest
2026
73°F avg
Coldest
1977
50°F avg
About This Date
March 18th in Vista, CA typically brings mild spring weather, with average highs around 67°F and lows near 49°F. Over 56 years of records, the warmest March 18th was in 2026 (73°F average), while the coldest was 1977 (50°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 21% of March 18th dates historically, with the wettest March 18th recording 4.09" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for March 18th in Vista, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 84° | 62° | 73° | — | — |
| 2025 | 60° | 50° | 55° | — | — |
| 2024 | 73° | 49° | 61° | 0.03" | — |
| 2023 | 71° | 48° | 60° | — | — |
| 2022 | 70° | 50° | 60° | — | — |
| 2021 | 60° | 47° | 53° | — | — |
| 2020 | 57° | 47° | 52° | 0.79" | — |
| 2019 | 69° | 54° | 61° | — | — |
| 2018 | 59° | 46° | 53° | — | — |
| 2017 | 68° | 55° | 62° | — | — |
| 2016 | 66° | 57° | 62° | — | — |
| 2015 | 69° | 60° | 65° | — | — |
| 2014 | 67° | 56° | 61° | — | — |
| 2013 | 62° | 55° | 59° | — | — |
| 2012 | 56° | 46° | 51° | 0.13" | — |
| 2011 | 65° | 48° | 56° | — | — |
| 2010 | 65° | 53° | 59° | — | — |
| 2009 | 72° | 50° | 61° | 0.03" | — |
| 2008 | 65° | 46° | 55° | — | — |
| 2007 | 59° | 53° | 56° | — | — |
| 2006 | 56° | 49° | 52° | 0.1" | — |
| 2005 | 62° | 51° | 57° | 0.18" | — |
| 2004 | 61° | 53° | 57° | — | — |
| 2003 | 62° | 47° | 54° | — | — |
| 2002 | 58° | 43° | 50° | 0.15" | — |
| 2001 | 69° | 52° | 60° | — | — |
| 2000 | 69° | 51° | 60° | — | — |
| 1999 | 59° | 46° | 53° | 0.03" | — |
| 1998 | 66° | 53° | 60° | — | — |
| 1997 | 84° | 47° | 65° | — | — |
| 1996 | 72° | 51° | 61° | — | — |
| 1995 | 70° | 57° | 63° | — | — |
| 1994 | 76° | 54° | 65° | — | — |
| 1993 | 72° | 56° | 64° | — | — |
| 1992 | 68° | 48° | 58° | — | — |
| 1991 | 68° | 43° | 55° | — | — |
| 1990 | 74° | 46° | 60° | — | — |
| 1989 | 71° | 46° | 59° | — | — |
| 1988 | 77° | 42° | 60° | — | — |
| 1987 | 65° | 42° | 53° | — | — |
| 1986 | 69° | 42° | 56° | — | — |
| 1985 | 63° | 43° | 53° | — | — |
| 1984 | 78° | 48° | 63° | — | — |
| 1983 | 59° | 48° | 54° | 4.09" | — |
| 1982 | 57° | 42° | 50° | 3.61" | — |
| 1981 | 70° | 45° | 57° | — | — |
| 1980 | 68° | 49° | 58° | 0.08" | — |
| 1979 | 60° | 44° | 52° | 0.2" | — |
| 1978 | 86° | 41° | 64° | — | — |
| 1977coldest | 62° | 37° | 50° | — | — |
| 1976 | 69° | 43° | 56° | — | — |
| 1975 | 68° | 40° | 54° | — | — |
| 1974 | 65° | 49° | 57° | — | — |
| 1973 | 62° | 47° | 54° | — | — |
| 1972 | 65° | 51° | 58° | — | — |
| 1971 | 73° | 44° | 59° | — | — |
56 years of data from CARLSBAD MCCLELLAN PALOMAR AP