Weather on March 18
New Braunfels, TX
55 Years of Data
Avg High
76°F
Avg Low
52°F
Warmest
2020
79°F avg
Coldest
2001
46°F avg
About This Date
March 18th in New Braunfels, TX typically brings pleasant spring weather, with average highs around 76°F and lows near 52°F. Over 55 years of records, the warmest March 18th was in 2020 (79°F average), while the coldest was 2001 (46°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 24% of March 18th dates historically, with the wettest March 18th recording 1.4" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for March 18th in New Braunfels, TX? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 78° | 37° | 58° | — | — |
| 2025 | 89° | 55° | 72° | — | — |
| 2024 | 65° | 49° | 57° | — | — |
| 2023 | 53° | 44° | 49° | 0.2" | — |
| 2022 | 76° | 51° | 63° | — | — |
| 2021 | 76° | 49° | 62° | — | — |
| 2020warmest | 88° | 70° | 79° | — | — |
| 2019 | 69° | 41° | 55° | — | — |
| 2018 | 85° | 68° | 76° | 0.03" | — |
| 2017 | 85° | 58° | 71° | — | — |
| 2016 | 81° | 58° | 69° | 0.61" | — |
| 2015 | 76° | 60° | 68° | 0.61" | — |
| 2014 | 84° | 39° | 62° | — | — |
| 2013 | 96° | 60° | 78° | — | — |
| 2012 | 77° | 66° | 72° | — | — |
| 2011 | 87° | 64° | 76° | — | — |
| 2010 | 70° | 45° | 57° | — | — |
| 2009 | 85° | 54° | 69° | — | — |
| 2008 | 77° | 52° | 64° | 1.4" | — |
| 2007 | 77° | 61° | 69° | — | — |
| 2006 | 79° | 66° | 72° | 0.03" | — |
| 2005 | 78° | 41° | 60° | — | — |
| 2004 | 74° | 64° | 69° | — | — |
| 2003 | 78° | 49° | 63° | 0.05" | — |
| 2002 | 79° | 63° | 71° | 0.03" | — |
| 2001coldest | 49° | 44° | 46° | 0.61" | — |
| 2000 | 67° | 48° | 57° | — | — |
| 1999 | 71° | 60° | 66° | 0.48" | — |
| 1998 | 80° | 51° | 66° | — | — |
| 1997 | 74° | 59° | 66° | — | — |
| 1996 | 82° | 52° | 67° | — | — |
| 1995 | 79° | 46° | 62° | — | — |
| 1994 | 77° | 59° | 68° | — | — |
| 1993 | 70° | 46° | 58° | — | — |
| 1992 | 84° | 60° | 72° | — | — |
| 1991 | 69° | 40° | 54° | — | — |
| 1990 | 75° | 45° | 60° | — | — |
| 1989 | 81° | 66° | 73° | — | — |
| 1987 | 72° | 42° | 57° | — | — |
| 1986 | 77° | 51° | 64° | 0.36" | — |
| 1985 | 69° | 46° | 58° | — | — |
| 1984 | 82° | 66° | 74° | — | — |
| 1983 | 61° | 39° | 50° | — | — |
| 1982 | 82° | 67° | 74° | — | — |
| 1981 | 75° | 46° | 61° | — | — |
| 1980 | 67° | 30° | 48° | — | — |
| 1979 | 69° | 58° | 63° | 0.13" | — |
| 1978 | 75° | 33° | 54° | — | — |
| 1977 | 82° | 62° | 72° | — | — |
| 1976 | 72° | 35° | 53° | — | — |
| 1975 | 65° | 54° | 59° | 0.81" | — |
| 1974 | 80° | 49° | 64° | — | — |
| 1973 | 75° | 39° | 57° | — | — |
| 1972 | 89° | 50° | 70° | — | — |
| 1971 | 84° | 54° | 69° | — | — |
55 years of data from AUSTIN SAN ANTONIO