Weather on October 18
Hartford, CT
55 Years of Data
Avg High
62°F
Avg Low
40°F
Warmest
2016
70°F avg
Coldest
1978
36°F avg
About This Date
October 18th in Hartford, CT typically brings mild fall weather, with average highs around 62°F and lows near 40°F. Over 55 years of records, the warmest October 18th was in 2016 (70°F average), while the coldest was 1978 (36°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 22% of October 18th dates historically, with the wettest October 18th recording 5.08" of rain. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for October 18th in Hartford, CT? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 35° | 49° | — | — |
| 2024 | 68° | 33° | 51° | — | — |
| 2023 | 64° | 52° | 58° | — | — |
| 2022 | 61° | 41° | 51° | 0.05" | — |
| 2021 | 59° | 44° | 52° | — | — |
| 2020 | 63° | 32° | 47° | — | — |
| 2019 | 59° | 47° | 53° | — | — |
| 2018 | 48° | 33° | 41° | — | — |
| 2017 | 75° | 43° | 59° | — | — |
| 2016warmest | 82° | 58° | 70° | — | — |
| 2015 | 46° | 28° | 37° | — | — |
| 2014 | 68° | 56° | 62° | — | — |
| 2013 | 68° | 48° | 58° | — | — |
| 2012 | 67° | 40° | 53° | — | — |
| 2011 | 70° | 50° | 60° | — | — |
| 2010 | 62° | 42° | 52° | — | — |
| 2009 | 47° | 39° | 43° | 1.63" | — |
| 2008 | 56° | 36° | 46° | — | — |
| 2007 | 75° | 59° | 67° | — | — |
| 2006 | 72° | 50° | 61° | 0.3" | — |
| 2005 | 69° | 45° | 57° | 0.08" | — |
| 2004 | 59° | 39° | 49° | 0.05" | — |
| 2003 | 55° | 39° | 47° | 0.18" | — |
| 2002 | 56° | 38° | 47° | — | — |
| 2001 | 58° | 35° | 46° | — | — |
| 2000 | 53° | 50° | 52° | 1.19" | — |
| 1999 | 61° | 40° | 50° | 1.09" | — |
| 1998 | 61° | 38° | 49° | — | — |
| 1997 | 58° | 38° | 48° | — | — |
| 1996 | 73° | 22° | 47° | — | — |
| 1995 | 67° | 35° | 51° | — | — |
| 1994 | 63° | 36° | 49° | — | — |
| 1993 | 65° | 52° | 58° | — | — |
| 1992 | 53° | 32° | 43° | — | — |
| 1991 | 56° | 45° | 50° | 1.75" | — |
| 1990 | 71° | 42° | 57° | — | — |
| 1989 | 65° | 42° | 53° | 5.08" | — |
| 1988 | 67° | 52° | 59° | 0.25" | — |
| 1987 | 63° | 41° | 52° | — | — |
| 1986 | 54° | 40° | 47° | — | — |
| 1985 | 65° | 34° | 49° | — | — |
| 1984 | 61° | 32° | 46° | — | — |
| 1983 | 62° | 40° | 51° | — | — |
| 1982 | 54° | 30° | 42° | — | — |
| 1981 | 64° | 37° | 51° | — | — |
| 1980 | 74° | 49° | 61° | — | — |
| 1979 | 64° | 45° | 54° | — | — |
| 1978coldest | 49° | 24° | 36° | — | — |
| 1977 | 49° | 36° | 42° | — | — |
| 1976 | 49° | 34° | 41° | — | — |
| 1975 | 62° | 49° | 55° | 3.05" | — |
| 1974 | 61° | 39° | 50° | — | — |
| 1973 | 62° | 38° | 50° | — | — |
| 1972 | 55° | 31° | 43° | — | — |
| 1971 | 62° | 39° | 51° | — | — |
55 years of data from HARTFORD BRAINARD FLD