Weather on May 18
Tracy, CA
55 Years of Data
Avg High
81°F
Avg Low
50°F
Warmest
2008
85°F avg
Coldest
1974
54°F avg
About This Date
May 18th in Tracy, CA typically brings warm spring weather, with average highs around 81°F and lows near 50°F — a 31°F daily swing. Over 55 years of records, the warmest May 18th was in 2008 (85°F average), while the coldest was 1974 (54°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 9% of May 18th dates historically, with the wettest May 18th recording 0.84" 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 May 18th in Tracy, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 51° | 64° | — | — |
| 2024 | 85° | 50° | 67° | — | — |
| 2023 | 92° | 52° | 72° | — | — |
| 2022 | 88° | 58° | 73° | — | — |
| 2021 | 78° | 41° | 60° | — | — |
| 2020 | 80° | 50° | 65° | 0.05" | — |
| 2019 | 69° | 48° | 59° | — | — |
| 2018 | 80° | 48° | 64° | — | — |
| 2017 | 84° | 47° | 65° | — | — |
| 2016 | 90° | 58° | 74° | — | — |
| 2015 | 71° | 53° | 62° | — | — |
| 2014 | 84° | — | — | — | — |
| 2013 | 70° | 45° | 57° | — | — |
| 2012 | 84° | 52° | 68° | — | — |
| 2011 | 61° | 51° | 56° | 0.08" | — |
| 2010 | 64° | 56° | 60° | — | — |
| 2009 | 104° | 62° | 83° | — | — |
| 2008warmest | 100° | 70° | 85° | — | — |
| 2007 | 81° | 54° | 67° | — | — |
| 2006 | 95° | 60° | 78° | — | — |
| 2005 | 72° | 49° | 60° | — | — |
| 2004 | 81° | 51° | 66° | — | — |
| 2003 | 77° | 45° | 61° | — | — |
| 2002 | 79° | 49° | 64° | — | — |
| 2001 | 89° | 55° | 72° | — | — |
| 2000 | 76° | 53° | 64° | — | — |
| 1999 | 85° | 46° | 65° | — | — |
| 1998 | 70° | 38° | 54° | — | — |
| 1997 | 101° | 63° | 82° | — | — |
| 1996 | 74° | 45° | 59° | — | — |
| 1995 | 80° | 48° | 64° | — | — |
| 1994 | 72° | 45° | 58° | 0.84" | — |
| 1993 | 85° | 49° | 67° | — | — |
| 1992 | 83° | 49° | 66° | — | — |
| 1991 | 74° | 42° | 58° | 0.69" | — |
| 1990 | 75° | 47° | 61° | — | — |
| 1989 | 78° | 52° | 65° | — | — |
| 1988 | 83° | 48° | 65° | — | — |
| 1987 | 75° | 50° | 63° | — | — |
| 1986 | 95° | 55° | 75° | — | — |
| 1985 | 77° | 50° | 64° | — | — |
| 1984 | 78° | 44° | 61° | — | — |
| 1983 | 79° | 50° | 64° | — | — |
| 1982 | 78° | 54° | 66° | — | — |
| 1981 | 80° | 50° | 65° | 0.05" | — |
| 1980 | 87° | 50° | 69° | — | — |
| 1979 | 90° | 53° | 71° | — | — |
| 1978 | 85° | 56° | 70° | — | — |
| 1977 | 72° | 41° | 56° | — | — |
| 1976 | 80° | 40° | 60° | — | — |
| 1975 | 89° | 51° | 70° | — | — |
| 1974coldest | 68° | 39° | 54° | — | — |
| 1973 | 100° | 61° | 80° | — | — |
| 1972 | 77° | 46° | 62° | — | — |
| 1971 | 77° | 53° | 65° | — | — |
55 years of data from TRACY CARBONA