Weather on June 18
Hartford, CT
55 Years of Data
Avg High
80°F
Avg Low
60°F
Warmest
2018
79°F avg
Coldest
1986
61°F avg
About This Date
June 18th in Hartford, CT typically brings warm summer weather, with average highs around 80°F and lows near 60°F. Over 55 years of records, the warmest June 18th was in 2018 (79°F average), while the coldest was 1986 (61°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 36% of June 18th dates historically, with the wettest June 18th recording 2.54" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for June 18th in Hartford, CT? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 63° | 69° | — | — |
| 2024 | 90° | 68° | 79° | — | — |
| 2023 | 80° | 62° | 71° | — | — |
| 2022 | 73° | 53° | 63° | 0.61" | — |
| 2021 | 84° | 51° | 68° | — | — |
| 2020 | 84° | 66° | 75° | — | — |
| 2019 | 70° | 65° | 67° | 1.83" | — |
| 2018warmest | 91° | 66° | 79° | 0.03" | — |
| 2017 | 84° | 68° | 76° | — | — |
| 2016 | 88° | 57° | 72° | — | — |
| 2015 | 76° | 56° | 66° | — | — |
| 2014 | 84° | 68° | 76° | — | — |
| 2013 | 83° | 59° | 71° | 2.16" | — |
| 2012 | 73° | 57° | 65° | — | — |
| 2011 | 85° | 62° | 73° | — | — |
| 2010 | 88° | 53° | 70° | — | — |
| 2009 | 66° | 57° | 62° | 2.54" | — |
| 2008 | 73° | 53° | 63° | 0.2" | — |
| 2007 | 83° | 66° | 74° | — | — |
| 2006 | 93° | 62° | 78° | — | — |
| 2005 | 76° | 58° | 67° | 0.03" | — |
| 2004 | 83° | 68° | 75° | — | — |
| 2003 | 66° | 57° | 62° | 1.42" | — |
| 2002 | 79° | 53° | 66° | — | — |
| 2001 | 85° | 60° | 72° | 0.03" | — |
| 2000 | 71° | 59° | 65° | 0.41" | — |
| 1999 | 67° | — | — | 0.13" | — |
| 1998 | 83° | 64° | 73° | 0.03" | — |
| 1997 | 77° | 57° | 67° | — | — |
| 1996 | 80° | 60° | 70° | 0.25" | — |
| 1995 | 92° | 58° | 75° | — | — |
| 1994 | 90° | 66° | 78° | — | — |
| 1993 | 83° | 62° | 72° | — | — |
| 1992 | 77° | 62° | 70° | — | — |
| 1991 | 86° | 58° | 72° | — | — |
| 1990 | 84° | 64° | 74° | — | — |
| 1989 | 79° | 64° | 71° | 0.1" | — |
| 1988 | 69° | 60° | 65° | 0.28" | — |
| 1987 | 85° | 50° | 67° | — | — |
| 1986coldest | 73° | 49° | 61° | — | — |
| 1985 | 80° | 64° | 72° | 0.18" | — |
| 1984 | 73° | 55° | 64° | — | — |
| 1983 | 83° | 62° | 72° | — | — |
| 1982 | 78° | 62° | 70° | — | — |
| 1981 | 82° | 58° | 70° | — | — |
| 1980 | 76° | 50° | 63° | — | — |
| 1979 | 85° | 68° | 76° | 0.38" | — |
| 1978 | 68° | 58° | 63° | — | — |
| 1977 | 75° | 59° | 67° | — | — |
| 1976 | 83° | 67° | 75° | 0.64" | — |
| 1975 | 80° | 66° | 73° | — | — |
| 1974 | 79° | 64° | 71° | — | — |
| 1973 | 73° | 53° | 63° | 0.03" | — |
| 1972 | 73° | 59° | 66° | 0.51" | — |
| 1971 | 86° | 57° | 72° | — | — |
55 years of data from HARTFORD BRAINARD FLD