Weather on March 21
Waco, TX
55 Years of Data
Avg High
70°F
Avg Low
48°F
Warmest
2026
76°F avg
Coldest
2010
36°F avg
About This Date
March 21st in Waco, TX typically brings pleasant spring weather, with average highs around 70°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 (36°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 23% of March 21st dates historically, with the wettest March 21st recording 2.74" 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 Waco, TX? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 91° | 60° | 76° | — | — |
| 2025 | 78° | 44° | 61° | — | — |
| 2024 | 62° | 53° | 58° | 2.01" | — |
| 2023 | 67° | 49° | 58° | 0.2" | — |
| 2022 | 78° | 56° | 67° | 0.25" | — |
| 2021 | 71° | 44° | 58° | — | — |
| 2020 | 58° | 41° | 49° | 2.74" | — |
| 2019 | 62° | 41° | 52° | — | — |
| 2018 | 77° | 42° | 60° | — | — |
| 2017 | 81° | 63° | 72° | — | — |
| 2016 | 57° | 32° | 45° | — | — |
| 2015 | 60° | 54° | 57° | 0.61" | — |
| 2014 | 72° | 41° | 56° | — | — |
| 2013 | 68° | 47° | 57° | — | — |
| 2012 | 60° | 50° | 55° | — | — |
| 2011 | 77° | 64° | 71° | — | — |
| 2010coldest | 39° | 32° | 36° | 0.64" | — |
| 2009 | 77° | 53° | 65° | — | — |
| 2008 | 71° | 51° | 61° | — | — |
| 2007 | 73° | 65° | 69° | — | — |
| 2006 | 73° | 39° | 56° | — | — |
| 2005 | 77° | 60° | 69° | 0.05" | — |
| 2004 | 78° | 61° | 69° | — | — |
| 2003 | 65° | 45° | 55° | — | — |
| 2002 | 70° | 51° | 60° | — | — |
| 2001 | 55° | 40° | 47° | — | — |
| 2000 | 64° | 57° | 61° | 0.99" | — |
| 1999 | 70° | 50° | 60° | — | — |
| 1998 | 57° | 38° | 47° | — | — |
| 1997 | 74° | 55° | 64° | — | — |
| 1996 | 60° | 32° | 46° | — | — |
| 1995 | 79° | 51° | 65° | — | — |
| 1994 | 83° | 56° | 69° | — | — |
| 1993 | 63° | 51° | 57° | — | — |
| 1992 | 67° | 46° | 56° | — | — |
| 1991 | 70° | 59° | 64° | — | — |
| 1990 | 65° | 42° | 53° | — | — |
| 1989 | 83° | 35° | 59° | 0.89" | — |
| 1988 | 78° | 48° | 63° | — | — |
| 1987 | 79° | 60° | 69° | — | — |
| 1986 | 63° | 32° | 47° | — | — |
| 1985 | 72° | 50° | 61° | — | — |
| 1984 | 72° | 42° | 57° | — | — |
| 1983 | 52° | 30° | 41° | — | — |
| 1982 | 81° | 51° | 66° | 2.34" | — |
| 1981 | 70° | 45° | 57° | — | — |
| 1980 | 82° | 36° | 59° | — | — |
| 1979 | 74° | 59° | 66° | 0.84" | — |
| 1978 | 76° | 57° | 66° | — | — |
| 1977 | 72° | 40° | 56° | — | — |
| 1976 | 83° | 40° | 61° | — | — |
| 1975 | 78° | 53° | 66° | — | — |
| 1974 | 62° | 35° | 49° | 0.28" | — |
| 1973 | 67° | 42° | 54° | — | — |
| 1972 | 73° | 59° | 66° | 0.13" | — |
| 1971 | 67° | 39° | 53° | — | — |
56 years of data from WACO