Weather on May 18
Austin, TX
55 Years of Data
Avg High
87°F
Avg Low
65°F
Warmest
2025
86°F avg
Coldest
1986
63°F avg
About This Date
May 18th in Austin, TX typically brings warm spring weather, with average highs around 87°F and lows near 65°F. Over 55 years of records, the warmest May 18th was in 2025 (86°F average), while the coldest was 1986 (63°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 24% of May 18th dates historically, with the wettest May 18th recording 1.75" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for May 18th in Austin, TX? 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 |
|---|---|---|---|---|---|
| 2025warmest | 95° | 77° | 86° | — | — |
| 2024 | 95° | 68° | 82° | — | — |
| 2023 | 91° | 65° | 78° | — | — |
| 2022 | 98° | 72° | 85° | — | — |
| 2021 | 79° | 66° | 72° | 1.35" | — |
| 2020 | 95° | 64° | 80° | — | — |
| 2019 | 85° | 76° | 80° | 0.15" | — |
| 2018 | 94° | 63° | 78° | — | — |
| 2017 | 86° | 63° | 74° | 0.03" | — |
| 2016 | 81° | 57° | 69° | 1.09" | — |
| 2015 | 88° | 73° | 80° | — | — |
| 2014 | 87° | 57° | 72° | — | — |
| 2013 | 92° | 71° | 81° | — | — |
| 2012 | 87° | 58° | 72° | — | — |
| 2011 | 89° | 53° | 71° | — | — |
| 2010 | 92° | 64° | 78° | — | — |
| 2009 | 78° | 50° | 64° | — | — |
| 2008 | 81° | 57° | 69° | — | — |
| 2007 | 78° | 57° | 68° | — | — |
| 2006 | 86° | 52° | 69° | — | — |
| 2005 | 86° | 57° | 72° | — | — |
| 2004 | 88° | 69° | 78° | — | — |
| 2003 | 94° | 66° | 80° | — | — |
| 2002 | 81° | 61° | 71° | — | — |
| 2001 | 91° | 70° | 80° | — | — |
| 2000 | 88° | 75° | 81° | — | — |
| 1999 | 78° | 66° | 72° | — | — |
| 1998 | 90° | 65° | 77° | — | — |
| 1997 | 83° | 69° | 76° | — | — |
| 1996 | 95° | 74° | 84° | — | — |
| 1995 | 84° | 65° | 74° | 1.12" | — |
| 1994 | 87° | 69° | 78° | — | — |
| 1993 | 91° | 72° | 81° | 0.05" | — |
| 1992 | 85° | 68° | 76° | 1.52" | — |
| 1991 | 89° | 66° | 78° | 0.05" | — |
| 1990 | 82° | 71° | 77° | 1.75" | — |
| 1989 | 95° | 70° | 82° | — | — |
| 1988 | 88° | 60° | 74° | — | — |
| 1987 | 88° | 72° | 80° | — | — |
| 1986coldest | 71° | 55° | 63° | — | — |
| 1985 | 80° | 65° | 72° | — | — |
| 1984 | 77° | 68° | 73° | 0.33" | — |
| 1983 | 79° | 63° | 71° | 0.18" | — |
| 1982 | 84° | 67° | 75° | — | — |
| 1981 | 95° | 74° | 84° | 0.25" | — |
| 1980 | 83° | 65° | 74° | 0.38" | — |
| 1979 | 85° | 63° | 74° | — | — |
| 1978 | 91° | 69° | 80° | — | — |
| 1977 | 79° | 69° | 74° | — | — |
| 1976 | 80° | 52° | 66° | — | — |
| 1975 | 87° | 65° | 76° | — | — |
| 1974 | 90° | 74° | 82° | — | — |
| 1973 | 90° | 59° | 74° | — | — |
| 1972 | 85° | 64° | 74° | — | — |
| 1971 | 90° | 70° | 80° | — | — |
55 years of data from AUSTIN 6S