Weather on August 18
Topeka, KS
55 Years of Data
Avg High
90°F
Avg Low
65°F
Warmest
1983
88°F avg
Coldest
1981
64°F avg
About This Date
August 18th in Topeka, KS typically brings hot summer weather, with average highs around 90°F and lows near 65°F — a 25°F daily swing. Over 55 years of records, the warmest August 18th was in 1983 (88°F average), while the coldest was 1981 (64°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 25% of August 18th dates historically, with the wettest August 18th recording 3.66" of rain. The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
Planning for August 18th in Topeka, KS? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 74° | 81° | 0.03" | — |
| 2024 | 83° | 67° | 75° | 0.86" | — |
| 2023 | 88° | 55° | 71° | — | — |
| 2022 | 87° | 61° | 74° | — | — |
| 2021 | 89° | 67° | 78° | — | — |
| 2020 | 84° | 58° | 71° | — | — |
| 2019 | 91° | 72° | 81° | 0.18" | — |
| 2018 | 93° | 66° | 80° | — | — |
| 2017 | 91° | 64° | 78° | — | — |
| 2016 | 93° | 69° | 81° | — | — |
| 2015 | 82° | 63° | 72° | 3.4" | — |
| 2014 | 94° | 64° | 79° | — | — |
| 2013 | 82° | 54° | 68° | — | — |
| 2012 | 87° | 50° | 69° | — | — |
| 2011 | 96° | 69° | 83° | 3.43" | — |
| 2010 | 85° | 67° | 76° | — | — |
| 2009 | 81° | 65° | 73° | — | — |
| 2008 | 83° | 54° | 68° | — | — |
| 2007 | 90° | 71° | 80° | 0.08" | — |
| 2006 | 93° | 73° | 83° | 0.81" | — |
| 2005 | 95° | 74° | 84° | 0.58" | — |
| 2004 | 94° | 63° | 78° | — | — |
| 2003 | 104° | 71° | 88° | — | — |
| 2002 | 93° | 65° | 79° | — | — |
| 2001 | 85° | 58° | 71° | 0.03" | — |
| 2000 | 82° | 64° | 73° | — | — |
| 1999 | 93° | 73° | 83° | — | — |
| 1998 | 105° | 69° | 87° | — | — |
| 1997 | 78° | 62° | 70° | 0.84" | — |
| 1996 | 85° | 69° | 77° | 0.05" | — |
| 1995 | 95° | 73° | 84° | — | — |
| 1994 | 94° | 61° | 77° | — | — |
| 1993 | 98° | 73° | 86° | — | — |
| 1992 | 86° | 59° | 73° | 0.79" | — |
| 1991 | 94° | 56° | 75° | — | — |
| 1990 | 91° | 74° | 82° | — | — |
| 1989 | 88° | 53° | 70° | — | — |
| 1988 | 94° | 74° | 84° | — | — |
| 1987 | 85° | 66° | 75° | 3.66" | — |
| 1986 | 87° | 65° | 76° | 0.48" | — |
| 1985 | 79° | 67° | 73° | — | — |
| 1984 | 92° | 72° | 82° | — | — |
| 1983warmest | 101° | 75° | 88° | — | — |
| 1982 | 84° | 63° | 73° | — | — |
| 1981coldest | 74° | 54° | 64° | — | — |
| 1980 | 90° | 71° | 80° | — | — |
| 1979 | 92° | 71° | 81° | — | — |
| 1978 | 97° | 69° | 83° | — | — |
| 1977 | 80° | 60° | 70° | — | — |
| 1976 | 96° | 70° | 83° | — | — |
| 1975 | 91° | 61° | 76° | — | — |
| 1974 | 88° | 58° | 73° | — | — |
| 1973 | 89° | 66° | 78° | — | — |
| 1972 | 94° | 68° | 81° | — | — |
| 1971 | 93° | 62° | 78° | — | — |
55 years of data from TOPEKA FORBES FLD