Weather on August 18
Cedar Rapids, IA
55 Years of Data
Avg High
83°F
Avg Low
62°F
Warmest
1988
88°F avg
Coldest
1977
60°F avg
About This Date
August 18th in Cedar Rapids, IA typically brings warm summer weather, with average highs around 83°F and lows near 62°F. Over 55 years of records, the warmest August 18th was in 1988 (88°F average), while the coldest was 1977 (60°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 33% of August 18th dates historically, with the wettest August 18th recording 4.04" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for August 18th in Cedar Rapids, IA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 70° | 81° | 0.13" | — |
| 2024 | 83° | 63° | 73° | — | — |
| 2023 | 80° | 51° | 66° | — | — |
| 2022 | 85° | 55° | 70° | — | — |
| 2021 | 89° | 59° | 74° | — | — |
| 2020 | 80° | 56° | 68° | — | — |
| 2019 | 84° | 62° | 73° | 4.04" | — |
| 2018 | 85° | 64° | 74° | — | — |
| 2017 | 83° | 58° | 70° | — | — |
| 2016 | 92° | 65° | 78° | — | — |
| 2015 | 78° | 66° | 72° | 0.48" | — |
| 2014 | 84° | 64° | 74° | — | — |
| 2013 | 81° | 52° | 66° | — | — |
| 2012 | 76° | 48° | 62° | — | — |
| 2011 | 86° | 55° | 71° | — | — |
| 2010 | 83° | 62° | 72° | 0.03" | — |
| 2009 | 78° | 60° | 69° | — | — |
| 2008 | 86° | 56° | 71° | — | — |
| 2007 | 78° | 59° | 69° | 0.89" | — |
| 2006 | 76° | 64° | 70° | 0.38" | — |
| 2005 | 90° | 70° | 80° | 0.66" | — |
| 2004 | 77° | 62° | 70° | 0.23" | — |
| 2003 | 89° | 66° | 78° | — | — |
| 2002 | 74° | 50° | 62° | — | — |
| 2001 | 78° | 61° | 69° | 1.47" | — |
| 2000 | 74° | 57° | 65° | — | — |
| 1999 | 82° | 65° | 73° | 1.63" | — |
| 1998 | 80° | 66° | 73° | — | — |
| 1997 | 74° | 60° | 67° | — | — |
| 1996 | 78° | 62° | 70° | 0.89" | — |
| 1995 | 93° | 73° | 83° | — | — |
| 1994 | 86° | 65° | 75° | 0.56" | — |
| 1993 | 83° | 67° | 75° | 3.4" | — |
| 1992 | 77° | 62° | 70° | 0.41" | — |
| 1991 | 80° | 62° | 71° | — | — |
| 1990 | 91° | 75° | 83° | — | — |
| 1989 | 81° | 55° | 68° | — | — |
| 1988warmest | 98° | 78° | 88° | — | — |
| 1987 | 80° | 60° | 70° | 2.9" | — |
| 1986 | 81° | 61° | 71° | — | — |
| 1985 | 86° | 54° | 70° | — | — |
| 1984 | 82° | 65° | 73° | 0.1" | — |
| 1983 | 95° | 72° | 83° | — | — |
| 1982 | 83° | 64° | 73° | — | — |
| 1981 | 73° | 50° | 62° | — | — |
| 1980 | 85° | 56° | 70° | — | — |
| 1979 | 89° | 67° | 78° | 2.06" | — |
| 1978 | 90° | 71° | 80° | — | — |
| 1977coldest | 73° | 46° | 60° | — | — |
| 1976 | 86° | 62° | 74° | — | — |
| 1975 | 80° | 60° | 70° | 0.2" | — |
| 1974 | 84° | 57° | 71° | — | — |
| 1973 | 90° | 66° | 78° | — | — |
| 1972 | 94° | 71° | 82° | — | — |
| 1971 | 85° | 56° | 70° | — | — |
55 years of data from CEDAR RAPIDS #1