Weather on March 9
Plano, TX
55 Years of Data
Avg High
67°F
Avg Low
46°F
Warmest
2026
75°F avg
Coldest
1998
39°F avg
About This Date
March 9th in Plano, TX typically brings mild spring weather, with average highs around 67°F and lows near 46°F. Over 56 years of records, the warmest March 9th was in 2026 (75°F average), while the coldest was 1998 (39°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 32% of March 9th dates historically, with the wettest March 9th recording 5.33" of rain. The last decade has been 7.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.8°F warmer on this date compared to 20-30 years ago.
Planning for March 9th in Plano, TX? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 86° | 65° | 75° | — | — |
| 2025 | 56° | 42° | 49° | 0.23" | — |
| 2024 | 58° | 41° | 49° | — | — |
| 2023 | 68° | 53° | 61° | 0.61" | — |
| 2022 | 59° | 27° | 43° | — | — |
| 2021 | 69° | 55° | 62° | — | — |
| 2020 | 73° | 59° | 66° | 0.13" | — |
| 2019 | 78° | 53° | 66° | 1.37" | — |
| 2018 | 73° | 50° | 62° | — | — |
| 2017 | 75° | 60° | 68° | — | — |
| 2016 | 60° | 56° | 58° | 1.98" | — |
| 2015 | 49° | 46° | 47° | 2.26" | — |
| 2014 | 61° | 37° | 49° | — | — |
| 2013 | 68° | 58° | 63° | 3.56" | — |
| 2012 | 52° | 39° | 45° | 0.03" | — |
| 2011 | 63° | 45° | 54° | — | — |
| 2010 | 75° | 52° | 63° | — | — |
| 2009 | 79° | 64° | 71° | — | — |
| 2008 | 61° | 46° | 53° | 0.51" | — |
| 2007 | 79° | 59° | 69° | — | — |
| 2006 | 70° | 49° | 59° | — | — |
| 2005 | 67° | 41° | 54° | 0.23" | — |
| 2004 | 68° | 42° | 55° | — | — |
| 2003 | 69° | 38° | 53° | — | — |
| 2002 | 69° | 32° | 51° | 0.05" | — |
| 2001 | 59° | 40° | 49° | 0.61" | — |
| 2000 | 77° | 53° | 65° | — | — |
| 1999 | 62° | 40° | 51° | — | — |
| 1998coldest | 52° | 27° | 39° | — | — |
| 1997 | 73° | — | — | 0.08" | — |
| 1996 | 46° | — | — | — | — |
| 1995 | 59° | 27° | 43° | — | — |
| 1994 | 47° | 33° | 40° | 2.29" | — |
| 1993 | 86° | 50° | 68° | — | — |
| 1992 | 73° | 57° | 65° | 5.33" | — |
| 1991 | 69° | 34° | 51° | — | — |
| 1990 | 81° | 64° | 72° | 0.08" | — |
| 1989 | 65° | 31° | 48° | — | — |
| 1988 | 63° | 37° | 50° | — | — |
| 1987 | 67° | 48° | 57° | — | — |
| 1986 | 80° | 62° | 71° | — | — |
| 1985 | 72° | 57° | 64° | — | — |
| 1984 | 59° | 29° | 44° | — | — |
| 1983 | 64° | 38° | 51° | — | — |
| 1982 | 69° | 45° | 57° | — | — |
| 1981 | 51° | 37° | 44° | — | — |
| 1980 | 78° | 44° | 61° | — | — |
| 1979 | 68° | 48° | 58° | — | — |
| 1978 | 56° | 35° | 45° | 0.03" | — |
| 1977 | 65° | 48° | 56° | — | — |
| 1976 | 56° | 43° | 49° | 0.38" | — |
| 1975 | 55° | 40° | 47° | — | — |
| 1974 | 79° | 66° | 72° | — | — |
| 1973 | 76° | 51° | 63° | — | — |
| 1972 | 69° | 32° | 51° | — | — |
| 1971 | 76° | 43° | 59° | — | — |
56 years of data from RICHARDSON