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San Antonio, TX Weather on August 27
San Antonio hit 102°F on this date in 1990
August 27 brings typical late summer heat to San Antonio, with average highs near 95°F. The record high of 102°F set in 1990 demonstrates how extreme temperatures can spike even during the area's normal hot season, roughly 7 degrees above the typical daily maximum. With 55 years of data tracked, the record low of 66°F in 1997 shows the rare cool mornings possible during this otherwise scorching time of year.
What to Expect on August 27
Planning for August 27th in San Antonio, TX? Stay hydrated and seek shade during peak afternoon hours.
Frequently Asked Questions
What was the warmest August 27 ever in San Antonio?
The warmest August 27 in San Antonio, TX reached 102°F in 1990. That is 7°F above the long-term average high of 95°F.
What was the coldest August 27 ever in San Antonio?
The coldest August 27 in San Antonio, TX dropped to 66°F in 1997. That is 8°F below the long-term average low of 74°F.
What is the average temperature on August 27 in San Antonio?
On August 27, San Antonio averages a high of 95°F and a low of 74°F based on 55 years of NOAA weather observations from SAN ANTONIO INCARNATE WORD.
How many years of weather data are available for August 27 in San Antonio?
We have 55 years of weather records for August 27 in San Antonio, TX, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
August 27 Weather History in San Antonio
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 98°F | 78°F | 0" | -- |
| 2024 | 90°F | 72°F | 0.1" | -- |
| 2023 | 99°F | 73°F | -- | -- |
| 2022 | 95°F | 76°F | 0" | -- |
| 2021 | 94°F | 73°F | -- | -- |
| 2020 | 96°F | 72°F | -- | -- |
| 2019 | 101°F | 78°F | 0" | -- |
| 2018 | 98°F | 78°F | 0" | -- |
| 2017 | 75°F | 72°F | 1.77" | -- |
| 2016 | 91°F | 74°F | 0" | -- |
| 2015 | 96°F | 78°F | 0" | -- |
| 2014 | 99°F | 76°F | 0" | -- |
| 2013 | 91°F | 74°F | 0" | -- |
| 2012 | 95°F | 74°F | 0" | -- |
| 2011 | 99°F | 73°F | 0" | -- |
| 2010 | 91°F | 74°F | 0" | -- |
| 2009 | 100°F | 74°F | 0.11" | -- |
| 2008 | 93°F | 71°F | 0" | -- |
| 2007 | 89°F | 73°F | 0" | -- |
| 2006 | 100°F | 78°F | 0" | -- |
| 2005 | 98°F | 76°F | 0" | -- |
| 2004 | 96°F | 77°F | 0" | -- |
| 2003 | 94°F | 74°F | 0" | -- |
| 2002 | 98°F | 73°F | 0" | -- |
| 2001 | 98°F | 70°F | 0.31" | -- |
| 2000 | 96°F | 74°F | 0" | -- |
| 1999 | 95°F | 76°F | 0" | -- |
| 1998 | 92°F | 77°F | 0" | -- |
| 1997 | 96°F | 66°F | 0" | -- |
| 1996 | 91°F | 72°F | 0.78" | -- |
| 1995 | 96°F | 74°F | 0" | -- |
| 1994 | 98°F | 75°F | 0" | -- |
| 1993 | 90°F | 72°F | 0" | -- |
| 1992 | 89°F | 72°F | 0.02" | -- |
| 1991 | 93°F | 71°F | 0" | -- |
| 1990 | 102°F | 71°F | 0" | -- |
| 1989 | 100°F | 79°F | 0" | -- |
| 1988 | 97°F | 74°F | 0" | -- |
| 1987 | 99°F | 73°F | 0.04" | -- |
| 1986 | 95°F | 77°F | 0.35" | -- |
| 1985 | 94°F | 72°F | 0" | -- |
| 1984 | 96°F | 76°F | 0" | -- |
| 1983 | 98°F | 73°F | 0" | -- |
| 1982 | 100°F | 77°F | 0" | -- |
| 1981 | 97°F | 70°F | 0" | -- |
| 1980 | 94°F | 72°F | 0" | -- |
| 1979 | 92°F | 73°F | 0" | -- |
| 1978 | 93°F | 73°F | 0" | -- |
| 1977 | 92°F | 77°F | 0" | -- |
| 1976 | 93°F | 73°F | 0" | -- |
| 1975 | 88°F | 71°F | 0" | -- |
| 1974 | 90°F | 71°F | 0" | -- |
| 1973 | 91°F | 74°F | 0" | -- |
| 1972 | 92°F | 77°F | 0" | -- |
| 1971 | 94°F | 74°F | 0.01" | -- |
Based on 55 years of data from NOAA station: SAN ANTONIO INCARNATE WORD
How Has August 27 Changed?
Temperatures on this date have remained relatively stable over the past several decades.
Monthly Climate Averages
Historical temperature and precipitation averages for San Antonio, TX, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.