Weather on April 21
Arlington, TX
55 Years of Data
Avg High
78°F
Avg Low
55°F
Warmest
2022
79°F avg
Coldest
2021
50°F avg
About This Date
April 21st in Arlington, TX typically brings pleasant spring weather, with average highs around 78°F and lows near 55°F. Over 35 years of records, the warmest April 21st was in 2022 (79°F average), while the coldest was 2021 (50°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 20% of April 21st dates historically, with the wettest April 21st recording 2.44" of rain. The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
Planning for April 21st in Arlington, TX? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 48° | 64° | — | — |
| 2024 | 67° | 47° | 57° | — | — |
| 2023 | 78° | 50° | 64° | — | — |
| 2022warmest | 85° | 73° | 79° | — | — |
| 2021coldest | 64° | 36° | 50° | — | — |
| 2020 | 87° | 60° | 74° | — | — |
| 2019 | 82° | 59° | 71° | — | — |
| 2018 | 66° | 53° | 60° | 1.88" | — |
| 2017 | 84° | 62° | 73° | 0.05" | — |
| 2016 | 79° | 60° | 69° | 1.93" | — |
| 2015 | 76° | 49° | 62° | — | — |
| 2014 | 83° | 62° | 72° | 0.03" | — |
| 2013 | 70° | 47° | 58° | — | — |
| 2012 | 76° | 47° | 61° | — | — |
| 2011 | 86° | 59° | 73° | 0.1" | — |
| 2010 | 79° | 52° | 65° | — | — |
| 2009 | 88° | 47° | 67° | — | — |
| 2008 | 86° | 67° | 76° | — | — |
| 2007 | 79° | 54° | 66° | — | — |
| 2006 | 80° | 60° | 70° | 0.15" | — |
| 2005 | 82° | 67° | 74° | — | — |
| 2004 | 83° | 65° | 74° | — | — |
| 2003 | 79° | 46° | 62° | — | — |
| 2002 | 75° | 64° | 70° | — | — |
| 2001 | 78° | 68° | 73° | — | — |
| 2000 | 75° | 49° | 62° | — | — |
| 1999 | 78° | 66° | 72° | — | — |
| 1998 | 72° | 46° | 59° | — | — |
| 1997 | 86° | 54° | 70° | 2.44" | — |
| 1996 | 77° | 56° | 66° | — | — |
| 1995 | 80° | 50° | 65° | — | — |
| 1994 | 84° | 59° | 72° | — | — |
| 1993 | 69° | 43° | 56° | — | — |
| 1992 | 69° | 37° | 53° | — | — |
| 1991 | 70° | 48° | 59° | — | — |
35 years of data from ARLINGTON MUNI AP