Weather on February 18
San Antonio, TX
55 Years of Data
Avg High
68°F
Avg Low
45°F
Warmest
2000
76°F avg
Coldest
2021
36°F avg
About This Date
February 18th in San Antonio, TX typically brings mild winter weather, with average highs around 68°F and lows near 45°F. Over 56 years of records, the warmest February 18th was in 2000 (76°F average), while the coldest was 2021 (36°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 18% of February 18th dates historically, with the wettest February 18th recording 4.34" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for February 18th in San Antonio, TX? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 76° | 63° | 69° | — | — |
| 2025 | 72° | 33° | 52° | — | — |
| 2024 | 49° | 34° | 41° | — | — |
| 2023 | 56° | 35° | 45° | — | — |
| 2022 | 61° | 33° | 47° | — | — |
| 2021coldest | 44° | 29° | 36° | — | — |
| 2020 | 80° | 64° | 72° | — | — |
| 2019 | 62° | 45° | 53° | — | — |
| 2018 | 67° | 54° | 60° | 0.08" | — |
| 2017 | 85° | 57° | 71° | — | — |
| 2016 | 79° | 56° | 67° | — | — |
| 2015 | 64° | 32° | 48° | — | — |
| 2014 | 80° | 61° | 70° | — | — |
| 2013 | 71° | 38° | 54° | — | — |
| 2012 | 57° | 51° | 54° | 4.34" | — |
| 2011 | 78° | 64° | 71° | 0.05" | — |
| 2010 | 62° | 30° | 46° | — | — |
| 2009 | 69° | 56° | 62° | 0.15" | — |
| 2008 | 77° | 41° | 59° | — | — |
| 2007 | 68° | 31° | 49° | — | — |
| 2006 | 47° | 36° | 41° | 0.08" | — |
| 2005 | 59° | 49° | 54° | — | — |
| 2004 | 75° | 38° | 56° | — | — |
| 2003 | 67° | 35° | 51° | — | — |
| 2002 | 68° | 35° | 52° | — | — |
| 2001 | 56° | 34° | 45° | — | — |
| 2000warmest | 84° | 68° | 76° | — | — |
| 1999 | 73° | 43° | 58° | — | — |
| 1998 | 67° | 40° | 53° | — | — |
| 1997 | 75° | 50° | 63° | — | — |
| 1996 | 76° | 47° | 61° | — | — |
| 1995 | 63° | 39° | 51° | — | — |
| 1994 | 72° | 54° | 63° | — | — |
| 1993 | 47° | 36° | 41° | — | — |
| 1992 | 78° | 46° | 62° | — | — |
| 1991 | 83° | 58° | 70° | 0.18" | — |
| 1990 | 53° | 43° | 48° | 0.46" | — |
| 1989 | 50° | 45° | 47° | — | — |
| 1988 | 64° | 48° | 56° | 0.94" | — |
| 1987 | 59° | 32° | 46° | — | — |
| 1986 | 91° | 48° | 70° | — | — |
| 1985 | 67° | 54° | 60° | — | — |
| 1984 | 78° | 53° | 66° | 0.03" | — |
| 1983 | 71° | 42° | 57° | — | — |
| 1982 | 75° | 47° | 61° | — | — |
| 1981 | 74° | 57° | 65° | — | — |
| 1980 | 61° | 32° | 46° | — | — |
| 1979 | 44° | 31° | 37° | — | — |
| 1978 | 50° | 30° | 40° | — | — |
| 1977 | 80° | 39° | 60° | — | — |
| 1976 | 78° | 45° | 61° | — | — |
| 1975 | 63° | 44° | 53° | — | — |
| 1974 | 78° | 59° | 69° | — | — |
| 1973 | 49° | 36° | 42° | 0.08" | — |
| 1972 | 73° | 39° | 56° | — | — |
| 1971 | 86° | 62° | 74° | — | — |
56 years of data from SAN ANTONIO INCARNATE WORD