Weather on August 18
Carmel, IN
55 Years of Data
About This Date
August 18th in Carmel, IN typically brings warm summer weather, with average highs around 83°F and lows near 62°F. Over 53 years of records, the warmest August 18th was in 1988 (87°F average), while the coldest was 2012 (63°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 45% of August 18th dates historically, with the wettest August 18th recording 1.42" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 18th in Carmel, IN? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 81° | 59° | 70° | — | — |
| 2025 | 86° | 69° | 78° | 0.11" | — |
| 2024 | 83° | 66° | 74° | — | — |
| 2023 | 75° | 53° | 64° | 0.49" | — |
| 2022 | 78° | 57° | 68° | — | — |
| 2021 | 86° | 68° | 77° | 0.1" | — |
| 2020 | 83° | 61° | 72° | 0.49" | — |
| 2019 | 80° | 66° | 73° | 0.11" | — |
| 2018 | 81° | 68° | 74° | 0.01" | — |
| 2017 | 72° | 67° | 69° | 0.04" | — |
| 2016 | 82° | 68° | 75° | — | — |
| 2015 | 84° | 65° | 74° | 0.48" | — |
| 2014 | 78° | 59° | 69° | — | — |
| 2013 | 82° | 57° | 70° | — | — |
| 2012coldest | 76° | 51° | 63° | — | — |
| 2011 | 88° | 62° | 75° | — | — |
| 2010 | 85° | 60° | 72° | 0.01" | — |
| 2009 | 88° | 70° | 79° | 0.08" | — |
| 2008 | 82° | 59° | 71° | — | — |
| 2007 | 87° | 53° | 70° | — | — |
| 2006 | 85° | 59° | 72° | — | — |
| 2005 | 82° | 65° | 73° | 0.02" | — |
| 2003 | 81° | 58° | 69° | — | — |
| 2002 | 87° | 68° | 78° | 0.01" | — |
| 2001 | 85° | 61° | 73° | — | — |
| 2000 | 80° | 65° | 72° | 1.42" | — |
| 1997 | 77° | 66° | 72° | 0.04" | — |
| 1996 | 78° | 65° | 71° | — | — |
| 1995 | 89° | 72° | 80° | 0.31" | — |
| 1994 | 81° | 55° | 68° | — | — |
| 1993 | 85° | 66° | 75° | 0.1" | — |
| 1992 | 76° | 53° | 64° | — | — |
| 1991 | 82° | 62° | 72° | 0.93" | — |
| 1990 | 85° | 65° | 75° | — | — |
| 1989 | 70° | 59° | 64° | 0.26" | — |
| 1988warmest | 100° | 73° | 87° | — | — |
| 1987 | 87° | 57° | 72° | — | — |
| 1986 | 86° | 64° | 75° | — | — |
| 1985 | 84° | 64° | 74° | — | — |
| 1984 | 86° | 65° | 75° | 0.19" | — |
| 1983 | 82° | 71° | 77° | 0.65" | — |
| 1982 | 88° | 50° | 69° | — | — |
| 1981 | 75° | 54° | 64° | — | — |
| 1980 | 81° | 69° | 75° | 0.1" | — |
| 1979 | 77° | 64° | 71° | 0.01" | — |
| 1978 | 83° | 65° | 74° | 0.75" | — |
| 1977 | 79° | 50° | 64° | — | — |
| 1976 | 80° | 48° | 64° | — | — |
| 1975 | 85° | 65° | 75° | 0.64" | — |
| 1974 | 85° | 65° | 75° | — | — |
| 1973 | 85° | 64° | 74° | — | — |
| 1972 | 91° | 69° | 80° | — | — |
| 1971 | 83° | 54° | 68° | — | — |
Carmel, IN Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Carmel, IN Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Carmel, IN Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Carmel, IN
Most pleasant months in Carmel, IN: May, June, September, October.
What to expect on August 18th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
August 18th outlook →