Weather on October 18
Charleston, SC
55 Years of Data
Avg High
75°F
Avg Low
61°F
Warmest
1980
77°F avg
Coldest
1976
53°F avg
About This Date
October 18th in Charleston, SC typically brings pleasant fall weather, with average highs around 75°F and lows near 61°F. Over 55 years of records, the warmest October 18th was in 1980 (77°F average), while the coldest was 1976 (53°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 24% of October 18th dates historically, with the wettest October 18th recording 1.98" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for October 18th in Charleston, SC? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 62° | 68° | — | — |
| 2024 | 68° | 53° | 61° | — | — |
| 2023 | 70° | 58° | 64° | — | — |
| 2022 | 73° | 53° | 63° | — | — |
| 2021 | 75° | 58° | 66° | — | — |
| 2020 | 76° | 58° | 67° | — | — |
| 2019 | 68° | 59° | 64° | — | — |
| 2018 | 76° | 65° | 70° | — | — |
| 2017 | 74° | 57° | 65° | — | — |
| 2016 | 82° | 68° | 75° | — | — |
| 2015 | 63° | 53° | 58° | — | — |
| 2014 | 83° | 64° | 73° | — | — |
| 2013 | 81° | 72° | 76° | — | — |
| 2012 | 76° | 68° | 72° | 0.05" | — |
| 2011 | 80° | 69° | 75° | 1.98" | — |
| 2010 | 79° | 61° | 70° | — | — |
| 2009 | 60° | 48° | 54° | — | — |
| 2008 | 85° | 57° | 71° | 1.02" | — |
| 2007 | 80° | 73° | 77° | 0.48" | — |
| 2006 | 78° | 71° | 75° | 1.07" | — |
| 2005 | 79° | 63° | 71° | — | — |
| 2004 | 77° | 68° | 73° | 1.37" | — |
| 2003 | 71° | 61° | 66° | — | — |
| 2002 | 69° | 58° | 63° | — | — |
| 2001 | 67° | 52° | 59° | — | — |
| 2000 | 84° | 62° | 73° | — | — |
| 1999 | 78° | 67° | 72° | — | — |
| 1998 | 79° | 67° | 73° | — | — |
| 1997 | 62° | 59° | 61° | 1.65" | — |
| 1996 | 78° | 61° | 69° | 1.04" | — |
| 1995 | 74° | 60° | 67° | — | — |
| 1994 | 73° | 55° | 64° | — | — |
| 1993 | 85° | 66° | 75° | — | — |
| 1992 | 64° | 53° | 59° | 0.03" | — |
| 1991 | 72° | 57° | 64° | — | — |
| 1990 | 80° | 69° | 75° | 0.1" | — |
| 1989 | 76° | 73° | 74° | 0.76" | — |
| 1988 | 79° | 60° | 69° | — | — |
| 1987 | 74° | 58° | 66° | — | — |
| 1986 | 68° | 55° | 62° | — | — |
| 1985 | 79° | 68° | 73° | — | — |
| 1984 | 80° | 66° | 73° | 0.18" | — |
| 1983 | 77° | 61° | 69° | — | — |
| 1982 | 66° | 54° | 60° | — | — |
| 1981 | 80° | 65° | 72° | — | — |
| 1980warmest | 85° | 70° | 77° | — | — |
| 1979 | 79° | 63° | 71° | — | — |
| 1978 | 71° | 48° | 60° | — | — |
| 1977 | 71° | 48° | 60° | — | — |
| 1976coldest | 60° | 47° | 53° | — | — |
| 1975 | 77° | 60° | 69° | 0.51" | — |
| 1974 | 75° | 57° | 66° | — | — |
| 1973 | 71° | 55° | 63° | — | — |
| 1972 | 78° | 67° | 72° | — | — |
| 1971 | 72° | 60° | 66° | — | — |
55 years of data from DWTN CHARLESTON