Weather on May 18
Lancaster, CA
55 Years of Data
Avg High
82°F
Avg Low
54°F
Warmest
2008
90°F avg
Coldest
1974
51°F avg
About This Date
May 18th in Lancaster, CA typically brings warm spring weather, with average highs around 82°F and lows near 54°F — a 28°F daily swing. Over 55 years of records, the warmest May 18th was in 2008 (90°F average), while the coldest was 1974 (51°F) — a 39°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 18th dates historically. 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 Lancaster, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 53° | 64° | — | — |
| 2024 | 82° | 56° | 69° | — | — |
| 2023 | 97° | 68° | 82° | — | — |
| 2022 | 97° | 64° | 80° | — | — |
| 2021 | 87° | 63° | 75° | — | — |
| 2020 | 70° | 51° | 60° | 0.05" | — |
| 2019 | 73° | 38° | 55° | 0.05" | — |
| 2018 | 84° | 57° | 71° | — | — |
| 2017 | 81° | 45° | 63° | — | — |
| 2016 | 91° | 52° | 71° | — | — |
| 2015 | 69° | 50° | 60° | — | — |
| 2014 | 81° | 61° | 71° | — | — |
| 2013 | 84° | 56° | 70° | — | — |
| 2012 | 81° | 55° | 68° | — | — |
| 2011 | 63° | 46° | 54° | — | — |
| 2010 | 71° | 49° | 60° | — | — |
| 2009 | 98° | 64° | 81° | — | — |
| 2008warmest | 103° | 77° | 90° | — | — |
| 2007 | 92° | 59° | 75° | — | — |
| 2006 | 99° | 59° | 79° | — | — |
| 2005 | 87° | 56° | 71° | — | — |
| 2004 | 76° | 52° | 64° | — | — |
| 2003 | 86° | 59° | 73° | — | — |
| 2002 | 89° | 59° | 74° | — | — |
| 2001 | 84° | 63° | 73° | — | — |
| 2000 | 84° | 47° | 65° | — | — |
| 1999 | 84° | 60° | 72° | — | — |
| 1998 | 79° | 38° | 58° | — | — |
| 1997 | 93° | 69° | 81° | — | — |
| 1996 | 76° | 59° | 67° | — | — |
| 1995 | 83° | 50° | 66° | — | — |
| 1994 | 58° | 44° | 51° | — | — |
| 1993 | 83° | 62° | 72° | — | — |
| 1992 | 88° | 55° | 71° | — | — |
| 1991 | 66° | 41° | 54° | — | — |
| 1990 | 74° | 51° | 62° | — | — |
| 1989 | 76° | 56° | 66° | — | — |
| 1988 | 80° | 53° | 67° | — | — |
| 1987 | 74° | 53° | 63° | — | — |
| 1986 | 95° | 54° | 74° | — | — |
| 1985 | 83° | 54° | 68° | — | — |
| 1984 | 88° | 59° | 73° | — | — |
| 1983 | 82° | 44° | 63° | — | — |
| 1982 | 73° | 56° | 64° | — | — |
| 1981 | 77° | 55° | 66° | — | — |
| 1980 | 89° | 51° | 70° | — | — |
| 1979 | 89° | 51° | 70° | — | — |
| 1978 | 84° | 43° | 63° | — | — |
| 1977 | 71° | 47° | 59° | — | — |
| 1976 | 86° | 49° | 67° | — | — |
| 1975 | 86° | 60° | 73° | — | — |
| 1974coldest | 60° | 42° | 51° | — | — |
| 1973 | 98° | 63° | 80° | — | — |
| 1972 | 67° | 49° | 58° | — | — |
| 1971 | 76° | 38° | 57° | — | — |
55 years of data from LANCASTER