Weather on August 21
Fort Worth, TX
55 Years of Data
Avg High
96°F
Avg Low
74°F
Warmest
2011
93°F avg
Coldest
2012
72°F avg
About This Date
August 21st in Fort Worth, TX typically brings hot summer weather, with average highs around 96°F and lows near 74°F. Over 48 years of records, the warmest August 21st was in 2011 (93°F average), while the coldest was 2012 (72°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 13% of August 21st dates historically, with the wettest August 21st recording 17.65" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for August 21st in Fort Worth, TX? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 75° | 85° | — | — |
| 2024 | 95° | 78° | 87° | — | — |
| 2023 | 103° | 83° | 93° | — | — |
| 2022 | 86° | 72° | 79° | 17.65" | — |
| 2021 | 95° | 78° | 87° | — | — |
| 2020 | 92° | 70° | 81° | — | — |
| 2019 | 97° | 79° | 88° | — | — |
| 2018 | 90° | 72° | 81° | — | — |
| 2017 | 93° | 76° | 84° | — | — |
| 2016 | 87° | 72° | 79° | — | — |
| 2015 | 92° | 71° | 81° | — | — |
| 2014 | 99° | 78° | 88° | — | — |
| 2013 | 95° | 74° | 84° | — | — |
| 2012coldest | 78° | 67° | 72° | 0.86" | — |
| 2011warmest | 102° | 84° | 93° | — | — |
| 2010 | 103° | 82° | 92° | — | — |
| 2009 | 91° | 68° | 80° | 3.2" | — |
| 2008 | 92° | 71° | 81° | — | — |
| 2007 | 94° | 74° | 84° | — | — |
| 2006 | 101° | 81° | 91° | — | — |
| 2005 | 98° | 77° | 88° | — | — |
| 2004 | 77° | 70° | 73° | — | — |
| 2003 | 98° | 79° | 88° | — | — |
| 2002 | 97° | 77° | 87° | — | — |
| 2001 | 97° | 77° | 87° | — | — |
| 2000 | 100° | 80° | 90° | — | — |
| 1999 | 98° | 69° | 84° | — | — |
| 1998 | 99° | 77° | 88° | — | — |
| 1997 | 98° | 75° | 87° | — | — |
| 1996 | 92° | 72° | 82° | — | — |
| 1995 | 98° | 76° | 87° | — | — |
| 1994 | 96° | 70° | 83° | — | — |
| 1993 | 105° | 79° | 92° | — | — |
| 1992 | 89° | 66° | 78° | — | — |
| 1991 | 93° | 73° | 83° | 0.38" | — |
| 1990 | 102° | 74° | 88° | — | — |
| 1989 | 95° | 75° | 85° | — | — |
| 1988 | 102° | 75° | 89° | — | — |
| 1987 | 101° | 76° | 88° | — | — |
| 1986 | 96° | 78° | 87° | — | — |
| 1985 | 103° | 75° | 89° | — | — |
| 1984 | 102° | 76° | 89° | — | — |
| 1983 | 95° | 74° | 84° | — | — |
| 1982 | 99° | 71° | 85° | — | — |
| 1981 | 89° | 62° | 76° | — | — |
| 1980 | 104° | 74° | 89° | — | — |
| 1979 | 96° | 66° | 81° | 0.74" | — |
| 1978 | 101° | 75° | 88° | 0.03" | — |
48 years of data from FT WORTH WSFO