Weather on March 18
Norman, OK
55 Years of Data
Avg High
65°F
Avg Low
43°F
Warmest
2017
71°F avg
Coldest
1988
35°F avg
About This Date
March 18th in Norman, OK typically brings mild spring weather, with average highs around 65°F and lows near 43°F. Over 56 years of records, the warmest March 18th was in 2017 (71°F average), while the coldest was 1988 (35°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 30% of March 18th dates historically, with the wettest March 18th recording 2.97" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for March 18th in Norman, OK? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 68° | 28° | 48° | — | — |
| 2025 | 80° | 59° | 70° | — | — |
| 2024 | 54° | 35° | 44° | — | — |
| 2023 | 46° | 29° | 37° | — | — |
| 2022 | 59° | 36° | 47° | 0.05" | — |
| 2021 | 51° | 39° | 45° | — | — |
| 2020 | 76° | 55° | 65° | 0.3" | — |
| 2019 | 69° | 36° | 52° | — | — |
| 2018 | 68° | 44° | 56° | — | — |
| 2017warmest | 84° | 58° | 71° | — | — |
| 2016 | 56° | 38° | 47° | — | — |
| 2015 | 58° | 48° | 53° | 0.51" | — |
| 2014 | 72° | 43° | 57° | — | — |
| 2013 | 62° | 39° | 51° | — | — |
| 2012 | 73° | 65° | 69° | — | — |
| 2011 | 74° | 53° | 63° | — | — |
| 2010 | 63° | 29° | 46° | — | — |
| 2009 | 84° | 55° | 70° | — | — |
| 2008 | 74° | 47° | 60° | 2.97" | — |
| 2007 | 71° | 40° | 55° | — | — |
| 2006 | 47° | 43° | 45° | 2.72" | — |
| 2005 | 67° | 46° | 56° | — | — |
| 2004 | 80° | 47° | 63° | — | — |
| 2003 | 62° | 50° | 56° | 1.32" | — |
| 2002 | 56° | 42° | 49° | 0.41" | — |
| 2001 | 50° | 39° | 45° | — | — |
| 2000 | 47° | 38° | 42° | 0.23" | — |
| 1999 | 59° | 42° | 51° | 0.84" | — |
| 1998 | 55° | 40° | 47° | 1.32" | — |
| 1997 | 66° | 40° | 53° | — | — |
| 1996 | 56° | 40° | 48° | 0.91" | — |
| 1995 | 77° | 47° | 62° | — | — |
| 1994 | 79° | 52° | 65° | — | — |
| 1993 | 47° | 31° | 39° | 0.66" | — |
| 1992 | 60° | 42° | 51° | — | — |
| 1991 | 69° | 34° | 51° | — | — |
| 1990 | 68° | 41° | 55° | 0.03" | — |
| 1989 | 56° | 35° | 45° | — | — |
| 1988coldest | 44° | 26° | 35° | — | — |
| 1987 | 62° | 41° | 52° | — | — |
| 1986 | 65° | 43° | 54° | 0.13" | — |
| 1985 | 65° | 40° | 52° | — | — |
| 1984 | 70° | 38° | 54° | 0.48" | — |
| 1983 | 48° | 36° | 42° | — | — |
| 1982 | 77° | 61° | 69° | — | — |
| 1981 | 53° | 29° | 41° | — | — |
| 1980 | 63° | 29° | 46° | — | — |
| 1979 | 75° | 54° | 64° | 0.76" | — |
| 1978 | 83° | 38° | 60° | — | — |
| 1977 | 69° | 44° | 57° | — | — |
| 1976 | 74° | 47° | 60° | — | — |
| 1975 | 62° | 47° | 54° | 1.93" | — |
| 1974 | 83° | 52° | 67° | — | — |
| 1973 | 73° | 45° | 59° | — | — |
| 1972 | 80° | 45° | 62° | — | — |
| 1971 | 70° | 48° | 59° | — | — |
56 years of data from NORMAN 2NW MESONET