Weather on May 21
Omaha, NE
55 Years of Data
Avg High
72°F
Avg Low
53°F
Warmest
1973
79°F avg
Coldest
2015
44°F avg
About This Date
May 21st in Omaha, NE typically brings pleasant spring weather, with average highs around 72°F and lows near 53°F. Over 54 years of records, the warmest May 21st was in 1973 (79°F average), while the coldest was 2015 (44°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 41% of May 21st dates historically, with the wettest May 21st recording 3.3" of rain. The last decade has been 6.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.0°F cooler on this date compared to 20-30 years ago.
Planning for May 21st in Omaha, NE? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
2.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 56° | 44° | 50° | 0.03" | — |
| 2024 | 83° | 59° | 71° | 2.39" | — |
| 2023 | 73° | 43° | 58° | — | — |
| 2022 | 62° | 42° | 52° | — | — |
| 2021 | 70° | 62° | 66° | 0.05" | — |
| 2020 | 67° | 50° | 58° | — | — |
| 2019 | 51° | 39° | 45° | 0.28" | — |
| 2018 | 54° | 50° | 52° | 0.79" | — |
| 2017 | 54° | 40° | 47° | 0.56" | — |
| 2016 | 66° | 50° | 58° | — | — |
| 2015coldest | 49° | 40° | 44° | — | — |
| 2014 | 84° | 59° | 72° | 0.71" | — |
| 2013 | 76° | 54° | 65° | — | — |
| 2012 | 68° | 51° | 60° | — | — |
| 2011 | 66° | 59° | 63° | 0.56" | — |
| 2010 | 57° | 54° | 55° | 1.47" | — |
| 2009 | 85° | 58° | 71° | — | — |
| 2008 | 68° | 49° | 58° | — | — |
| 2007 | 83° | 60° | 71° | — | — |
| 2006 | 76° | 55° | 65° | 0.08" | — |
| 2005 | 81° | 56° | 68° | — | — |
| 2004 | 77° | 64° | 71° | — | — |
| 2003 | 57° | 43° | 50° | — | — |
| 2002 | 64° | 43° | 53° | — | — |
| 2001 | 62° | 47° | 54° | — | — |
| 2000 | 76° | 54° | 65° | 0.15" | — |
| 1999 | 75° | 56° | 65° | 0.28" | — |
| 1998 | 74° | 62° | 68° | — | — |
| 1997 | 72° | 45° | 58° | — | — |
| 1996 | 78° | 51° | 65° | — | — |
| 1995 | 72° | 47° | 59° | — | — |
| 1993 | 75° | 49° | 62° | — | — |
| 1992 | 78° | 66° | 72° | 0.91" | — |
| 1991 | 82° | 66° | 74° | 0.46" | — |
| 1990 | 57° | 50° | 54° | — | — |
| 1989 | 73° | 57° | 65° | — | — |
| 1988 | 70° | 58° | 64° | 2.9" | — |
| 1987 | 65° | 48° | 56° | — | — |
| 1986 | 75° | 52° | 63° | — | — |
| 1985 | 74° | 50° | 62° | — | — |
| 1984 | 80° | 60° | 70° | 0.41" | — |
| 1983 | 63° | 47° | 55° | 0.03" | — |
| 1982 | 63° | 49° | 56° | 2.92" | — |
| 1981 | 74° | 54° | 64° | — | — |
| 1980 | 78° | 56° | 67° | — | — |
| 1979 | 69° | 45° | 57° | — | — |
| 1978 | 77° | 50° | 64° | — | — |
| 1977 | 74° | 55° | 64° | 3.3" | — |
| 1976 | 82° | 63° | 72° | 0.38" | — |
| 1975 | 85° | 64° | 74° | — | — |
| 1974 | 85° | 65° | 75° | 0.05" | — |
| 1973warmest | 94° | 64° | 79° | 0.38" | — |
| 1972 | 87° | 63° | 75° | — | — |
| 1971 | 67° | 54° | 60° | — | — |
54 years of data from OMAHA #1