Weather on March 18
Houston, TX
55 Years of Data
Avg High
75°F
Avg Low
58°F
Warmest
2013
79°F avg
Coldest
1988
47°F avg
About This Date
March 18th in Houston, TX typically brings pleasant spring weather, with average highs around 75°F and lows near 58°F. Over 56 years of records, the warmest March 18th was in 2013 (79°F average), while the coldest was 1988 (47°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 14% of March 18th dates historically, with the wettest March 18th recording 2.11" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for March 18th in Houston, TX? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 72° | 43° | 57° | — | — |
| 2025 | 79° | 59° | 69° | — | — |
| 2024 | 72° | 58° | 65° | — | — |
| 2023 | 57° | 48° | 53° | 0.03" | — |
| 2022 | 73° | 57° | 65° | 0.15" | — |
| 2021 | 70° | 50° | 60° | — | — |
| 2020 | 84° | 71° | 78° | — | — |
| 2019 | 69° | 48° | 59° | — | — |
| 2018 | 83° | 69° | 76° | — | — |
| 2017 | 83° | 61° | 72° | — | — |
| 2016 | 84° | 66° | 75° | 0.38" | — |
| 2015 | 80° | 64° | 72° | 0.61" | — |
| 2014 | 75° | 47° | 61° | — | — |
| 2013warmest | 89° | 69° | 79° | — | — |
| 2012 | 80° | 69° | 75° | — | — |
| 2011 | 80° | 65° | 72° | — | — |
| 2010 | 71° | 49° | 60° | — | — |
| 2009 | 77° | 49° | 63° | — | — |
| 2008 | 81° | 70° | 75° | — | — |
| 2007 | 75° | 57° | 66° | — | — |
| 2006 | 71° | 66° | 69° | — | — |
| 2005 | 63° | 42° | 52° | — | — |
| 2004 | 80° | 62° | 71° | — | — |
| 2003 | 78° | 56° | 67° | — | — |
| 2002 | 81° | 71° | 76° | — | — |
| 2001 | 69° | 44° | 57° | — | — |
| 2000 | 78° | 51° | 65° | 0.2" | — |
| 1999 | 72° | 66° | 69° | — | — |
| 1998 | 73° | 60° | 67° | — | — |
| 1997 | 73° | 58° | 65° | — | — |
| 1996 | 64° | 49° | 56° | — | — |
| 1995 | 84° | 58° | 71° | — | — |
| 1994 | 82° | 59° | 71° | — | — |
| 1993 | 62° | 51° | 57° | — | — |
| 1992 | 82° | 60° | 71° | — | — |
| 1991 | 72° | 52° | 62° | — | — |
| 1990 | 74° | 60° | 67° | — | — |
| 1989 | 77° | 64° | 71° | — | — |
| 1988coldest | 51° | 42° | 47° | — | — |
| 1987 | 77° | 54° | 65° | — | — |
| 1986 | 76° | 65° | 70° | 0.28" | — |
| 1985 | 66° | 51° | 59° | — | — |
| 1984 | 73° | 64° | 69° | — | — |
| 1983 | 68° | 44° | 56° | — | — |
| 1982 | 82° | 70° | 76° | — | — |
| 1981 | 66° | 50° | 58° | — | — |
| 1980 | 63° | 46° | 54° | — | — |
| 1979 | 72° | 66° | 69° | — | — |
| 1978 | 75° | 56° | 65° | — | — |
| 1977 | 85° | 67° | 76° | — | — |
| 1976 | 70° | 52° | 61° | — | — |
| 1975 | 73° | 58° | 65° | 1.52" | — |
| 1974 | 79° | 64° | 71° | — | — |
| 1973 | 73° | 56° | 64° | — | — |
| 1972 | 82° | 62° | 72° | — | — |
| 1971 | 72° | 58° | 65° | 2.11" | — |
56 years of data from HOUSTON WB CITY