Weather on March 21
Grand Prairie, TX
55 Years of Data
Avg High
69°F
Avg Low
48°F
Warmest
2026
76°F avg
Coldest
2010
34°F avg
About This Date
March 21st in Grand Prairie, TX typically brings mild spring weather, with average highs around 69°F and lows near 48°F. Over 56 years of records, the warmest March 21st was in 2026 (76°F average), while the coldest was 2010 (34°F) — a 42°F range across recorded history. Rain or other precipitation has occurred on about 18% of March 21st dates historically, with the wettest March 21st recording 2.24" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for March 21st in Grand Prairie, TX? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 91° | 61° | 76° | — | — |
| 2025 | 78° | 44° | 61° | — | — |
| 2024 | 62° | 56° | 59° | 1.24" | — |
| 2023 | 69° | 50° | 60° | — | — |
| 2022 | 73° | 53° | 63° | 2.24" | — |
| 2021 | 70° | 43° | 56° | — | — |
| 2020 | 80° | 41° | 61° | 1.52" | — |
| 2019 | 65° | 46° | 55° | — | — |
| 2018 | 54° | 44° | 49° | — | — |
| 2017 | 88° | 62° | 75° | — | — |
| 2016 | 56° | 37° | 46° | — | — |
| 2015 | 55° | 53° | 54° | 0.99" | — |
| 2014 | 72° | 38° | 55° | — | — |
| 2013 | 66° | 47° | 56° | — | — |
| 2012 | 65° | 50° | 57° | 0.94" | — |
| 2011 | 87° | 62° | 75° | — | — |
| 2010coldest | 38° | 30° | 34° | 0.05" | — |
| 2009 | 75° | 54° | 64° | — | — |
| 2008 | 73° | 48° | 61° | 0.13" | — |
| 2007 | 73° | 65° | 69° | — | — |
| 2006 | 62° | 39° | 51° | — | — |
| 2005 | 78° | 60° | 69° | 0.25" | — |
| 2004 | 84° | 57° | 71° | — | — |
| 2003 | 57° | 50° | 54° | — | — |
| 2002 | 63° | 37° | 50° | — | — |
| 2001 | 64° | 40° | 52° | — | — |
| 2000 | 67° | 59° | 63° | — | — |
| 1999 | 60° | 45° | 52° | — | — |
| 1998 | 61° | 34° | 47° | — | — |
| 1997 | 88° | 59° | 73° | — | — |
| 1996 | 71° | 32° | 52° | — | — |
| 1995 | 78° | 55° | 67° | — | — |
| 1994 | 71° | 51° | 61° | — | — |
| 1993 | 68° | 49° | 58° | — | — |
| 1992 | 63° | 54° | 58° | — | — |
| 1991 | 82° | 63° | 72° | — | — |
| 1990 | 74° | 51° | 62° | — | — |
| 1989 | 47° | 35° | 41° | 1.47" | — |
| 1988 | 80° | 53° | 67° | — | — |
| 1987 | 79° | 57° | 68° | — | — |
| 1986 | 60° | 36° | 48° | — | — |
| 1985 | 60° | 51° | 56° | — | — |
| 1984 | 74° | 39° | 56° | — | — |
| 1983 | 52° | 35° | 43° | — | — |
| 1982 | 67° | 48° | 57° | 1.65" | — |
| 1981 | 79° | 53° | 66° | — | — |
| 1980 | 71° | 40° | 55° | — | — |
| 1979 | 74° | 62° | 68° | — | — |
| 1978 | 81° | 58° | 69° | — | — |
| 1977 | 66° | 49° | 57° | — | — |
| 1976 | 73° | 45° | 59° | — | — |
| 1975 | 78° | 60° | 69° | — | — |
| 1974 | 50° | 31° | 40° | — | — |
| 1973 | 58° | 39° | 48° | — | — |
| 1972 | 80° | 55° | 68° | — | — |
| 1971 | 73° | 45° | 59° | — | — |
56 years of data from DALLAS HENSLEY FLD NAS