Weather on March 21
Salt Lake City, UT
55 Years of Data
Avg High
58°F
Avg Low
38°F
Warmest
2017
66°F avg
Coldest
1982
33°F avg
About This Date
March 21st in Salt Lake City, UT typically brings cool spring weather, with average highs around 58°F and lows near 38°F. Over 56 years of records, the warmest March 21st was in 2017 (66°F average), while the coldest was 1982 (33°F) — a 33°F range across recorded history. Precipitation has occurred on 21% of recorded March 21st dates, with snow falling 2% of the time. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for March 21st in Salt Lake City, UT? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 84° | 49° | 66° | — | — |
| 2025 | 53° | 33° | 43° | — | — |
| 2024 | 63° | 45° | 54° | — | — |
| 2023 | 50° | 34° | 42° | 0.13" | — |
| 2022 | 47° | 29° | 38° | — | — |
| 2021 | 43° | 29° | 36° | 0.64" | — |
| 2020 | 53° | 37° | 45° | — | — |
| 2019 | 54° | 40° | 47° | 0.53" | — |
| 2018 | 67° | 44° | 55° | — | — |
| 2017warmest | 75° | 57° | 66° | — | — |
| 2016 | 68° | 49° | 58° | — | — |
| 2015 | 71° | 42° | 57° | — | — |
| 2014 | 54° | 35° | 44° | — | — |
| 2013 | 58° | 31° | 44° | 0.23" | 1" |
| 2012 | 62° | 44° | 53° | — | — |
| 2011 | 55° | 42° | 49° | — | — |
| 2010 | 64° | 33° | 49° | — | — |
| 2009 | 74° | 47° | 60° | — | — |
| 2008 | 51° | 33° | 42° | — | — |
| 2007 | 54° | 42° | 48° | 0.3" | — |
| 2006 | 49° | 35° | 42° | 0.03" | — |
| 2005 | 51° | 37° | 44° | 0.03" | — |
| 2004 | 73° | 42° | 58° | — | — |
| 2003 | 53° | 35° | 44° | — | — |
| 2002 | 62° | 36° | 49° | — | — |
| 2001 | 63° | 44° | 53° | — | — |
| 2000 | 47° | 31° | 39° | — | — |
| 1999 | 62° | 46° | 54° | — | — |
| 1998 | 66° | 41° | 54° | — | — |
| 1997 | 67° | 48° | 57° | — | — |
| 1996 | 70° | 48° | 59° | — | — |
| 1995 | 62° | 44° | 53° | — | — |
| 1994 | 64° | 39° | 52° | — | — |
| 1993 | 57° | 39° | 48° | — | — |
| 1992 | 56° | 41° | 48° | — | — |
| 1991 | 49° | 35° | 42° | 0.18" | — |
| 1990 | 64° | 49° | 56° | — | — |
| 1989 | 57° | 35° | 46° | — | — |
| 1988 | 69° | 51° | 60° | — | — |
| 1987 | 41° | 34° | 37° | — | — |
| 1986 | 64° | 37° | 51° | — | — |
| 1985 | 46° | 25° | 35° | — | — |
| 1984 | 55° | 32° | 44° | — | — |
| 1983 | 48° | 30° | 39° | — | — |
| 1982coldest | 42° | 24° | 33° | — | — |
| 1981 | 52° | 36° | 44° | 0.03" | — |
| 1980 | 39° | 31° | 35° | 0.91" | — |
| 1979 | 49° | 36° | 42° | 0.18" | — |
| 1978 | 69° | 45° | 57° | — | — |
| 1977 | 54° | 30° | 42° | — | — |
| 1976 | 53° | 31° | 42° | — | — |
| 1975 | 53° | 32° | 43° | 1.09" | — |
| 1974 | 51° | 20° | 35° | — | — |
| 1973 | 58° | 33° | 45° | — | — |
| 1972 | 74° | 34° | 54° | — | — |
| 1971 | 60° | 32° | 46° | — | — |
56 years of data from SALT LAKE TRIAD CTR