Weather on August 18
Salt Lake City, UT
55 Years of Data
Avg High
89°F
Avg Low
64°F
Warmest
2022
88°F avg
Coldest
1978
57°F avg
About This Date
August 18th in Salt Lake City, UT typically brings warm summer weather, with average highs around 89°F and lows near 64°F — a 25°F daily swing. Over 55 years of records, the warmest August 18th was in 2022 (88°F average), while the coldest was 1978 (57°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 16% of August 18th dates historically, with the wettest August 18th recording 2.06" of rain. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for August 18th in Salt Lake City, UT? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 96° | 71° | 84° | — | — |
| 2024 | 92° | 67° | 79° | 0.15" | — |
| 2023 | 94° | 75° | 84° | — | — |
| 2022warmest | 101° | 75° | 88° | — | — |
| 2021 | 76° | 53° | 64° | 2.06" | — |
| 2020 | 101° | 70° | 85° | — | — |
| 2019 | 96° | 63° | 79° | — | — |
| 2018 | 86° | 63° | 74° | — | — |
| 2017 | 93° | 65° | 79° | — | — |
| 2016 | 93° | 70° | 81° | — | — |
| 2015 | 83° | 60° | 71° | — | — |
| 2014 | 94° | 65° | 79° | — | — |
| 2013 | 98° | 72° | 85° | — | — |
| 2012 | 91° | 70° | 80° | — | — |
| 2011 | 92° | 68° | 80° | — | — |
| 2010 | 96° | 73° | 85° | — | — |
| 2009 | 83° | 55° | 69° | — | — |
| 2008 | 96° | 64° | 80° | — | — |
| 2007 | 89° | 67° | 78° | — | — |
| 2006 | 86° | 57° | 72° | — | — |
| 2005 | 86° | 65° | 75° | 0.08" | — |
| 2004 | 80° | 61° | 70° | — | — |
| 2003 | 85° | 60° | 72° | — | — |
| 2002 | 89° | 64° | 77° | — | — |
| 2001 | 97° | 73° | 85° | — | — |
| 2000 | 87° | 69° | 78° | 0.38" | — |
| 1999 | 94° | 71° | 82° | — | — |
| 1998 | 84° | 66° | 75° | — | — |
| 1997 | 89° | 68° | 79° | — | — |
| 1996 | 84° | 68° | 76° | — | — |
| 1995 | 77° | 58° | 67° | — | — |
| 1994 | 94° | 71° | 82° | — | — |
| 1993 | 90° | 59° | 74° | — | — |
| 1992 | 91° | 67° | 79° | — | — |
| 1991 | 77° | 67° | 72° | — | — |
| 1990 | 87° | 63° | 75° | 0.28" | — |
| 1989 | 89° | 61° | 75° | — | — |
| 1988 | 91° | 68° | 80° | — | — |
| 1987 | 85° | 58° | 71° | — | — |
| 1986 | 94° | 72° | 83° | — | — |
| 1985 | 90° | 71° | 80° | — | — |
| 1984 | 81° | 67° | 74° | — | — |
| 1983 | 70° | 58° | 64° | — | — |
| 1982 | 90° | 65° | 77° | 0.03" | — |
| 1981 | 92° | 65° | 78° | — | — |
| 1980 | 85° | 59° | 72° | — | — |
| 1979 | 79° | 58° | 68° | — | — |
| 1978coldest | 72° | 42° | 57° | — | — |
| 1977 | 80° | 64° | 72° | 0.36" | — |
| 1976 | 86° | 54° | 70° | 0.48" | — |
| 1975 | 89° | 62° | 76° | — | — |
| 1974 | 98° | 51° | 75° | — | — |
| 1973 | 94° | 62° | 78° | 0.38" | — |
| 1972 | 91° | 59° | 75° | — | — |
| 1971 | 90° | 62° | 76° | — | — |
55 years of data from SALT LAKE TRIAD CTR