Weather on March 18
Allen, TX
55 Years of Data
Avg High
71°F
Avg Low
49°F
Warmest
1982
75°F avg
Coldest
1988
42°F avg
About This Date
March 18th in Allen, TX typically brings pleasant spring weather, with average highs around 71°F and lows near 49°F. Over 56 years of records, the warmest March 18th was in 1982 (75°F average), while the coldest was 1988 (42°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 29% of March 18th dates historically, with the wettest March 18th recording 11.28" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for March 18th in Allen, TX? Great weather for outdoor activities.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 74° | 48° | 61° | — | — |
| 2025 | 80° | 57° | 69° | — | — |
| 2024 | 58° | 39° | 48° | — | — |
| 2023 | 53° | 31° | 42° | — | — |
| 2022 | 63° | 42° | 52° | — | — |
| 2021 | 60° | 42° | 51° | — | — |
| 2020 | 80° | 62° | 71° | 5.59" | — |
| 2019 | 69° | 36° | 52° | — | — |
| 2018 | 76° | 56° | 66° | — | — |
| 2017 | 78° | 62° | 70° | — | — |
| 2016 | 61° | 45° | 53° | — | — |
| 2015 | 65° | 56° | 60° | 0.08" | — |
| 2014 | 79° | 48° | 63° | — | — |
| 2013 | 68° | 49° | 58° | — | — |
| 2012 | 75° | 67° | 71° | — | — |
| 2011 | 83° | 64° | 73° | — | — |
| 2010 | 64° | 34° | 49° | — | — |
| 2009 | 77° | 50° | 64° | — | — |
| 2008 | 72° | 49° | 60° | 11.28" | — |
| 2007 | 69° | 50° | 60° | — | — |
| 2006 | 53° | 47° | 50° | 2.79" | — |
| 2005 | 76° | 46° | 61° | — | — |
| 2004 | 81° | 59° | 70° | — | — |
| 2003 | 64° | 50° | 57° | 1.55" | — |
| 2002 | 67° | 50° | 58° | 0.41" | — |
| 2001 | 49° | 45° | 47° | — | — |
| 2000 | 69° | 32° | 51° | 0.1" | — |
| 1999 | 70° | 54° | 62° | — | — |
| 1998 | 73° | 41° | 57° | 0.08" | — |
| 1997 | 73° | 50° | 62° | — | — |
| 1996 | 74° | 42° | 58° | 2.06" | — |
| 1995 | 79° | 50° | 64° | — | — |
| 1994 | 83° | 58° | 70° | — | — |
| 1993 | 62° | 44° | 53° | — | — |
| 1992 | 74° | 56° | 65° | 2.57" | — |
| 1991 | 70° | — | — | — | — |
| 1990 | 77° | 51° | 64° | — | — |
| 1989 | 81° | 49° | 65° | — | — |
| 1988coldest | 50° | 33° | 42° | 1.24" | — |
| 1987 | 66° | 43° | 54° | — | — |
| 1986 | 72° | 53° | 62° | 1.04" | — |
| 1985 | 70° | 35° | 52° | — | — |
| 1984 | 75° | 57° | 66° | 0.18" | — |
| 1983 | 59° | 39° | 49° | — | — |
| 1982warmest | 84° | 67° | 75° | — | — |
| 1981 | 74° | 42° | 58° | 0.05" | — |
| 1980 | 64° | 26° | 45° | — | — |
| 1979 | 68° | 59° | 64° | 0.18" | — |
| 1978 | 83° | 39° | 61° | — | — |
| 1977 | 76° | 56° | 66° | — | — |
| 1976 | 74° | 47° | 60° | — | — |
| 1975 | 65° | 50° | 57° | 0.28" | — |
| 1974 | 84° | 60° | 72° | — | — |
| 1973 | 74° | 48° | 61° | — | — |
| 1972 | 82° | 53° | 68° | — | — |
| 1971 | 74° | 57° | 65° | — | — |
56 years of data from MCKINNEY MUNI AP