Weather on April 18
Hartford, CT
55 Years of Data
Avg High
62°F
Avg Low
40°F
Warmest
2002
75°F avg
Coldest
2020
39°F avg
About This Date
April 18th in Hartford, CT typically brings mild spring weather, with average highs around 62°F and lows near 40°F. Over 55 years of records, the warmest April 18th was in 2002 (75°F average), while the coldest was 2020 (39°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 25% of April 18th dates historically, with the wettest April 18th recording 2.11" of rain. The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
Planning for April 18th in Hartford, CT? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 30° | 48° | — | — |
| 2024 | 47° | 44° | 45° | 2.11" | — |
| 2023 | 58° | 48° | 53° | — | — |
| 2022 | 59° | 31° | 45° | 0.08" | — |
| 2021 | 65° | 42° | 53° | — | — |
| 2020coldest | 44° | 33° | 39° | 1.04" | — |
| 2019 | 60° | 44° | 52° | — | — |
| 2018 | 52° | 32° | 42° | — | — |
| 2017 | 63° | 44° | 53° | — | — |
| 2016 | 80° | 39° | 60° | — | — |
| 2015 | 79° | 40° | 59° | — | — |
| 2014 | 49° | 30° | 40° | — | — |
| 2013 | 61° | 40° | 50° | — | — |
| 2012 | 62° | 47° | 54° | — | — |
| 2011 | 62° | 44° | 53° | — | — |
| 2010 | 55° | 43° | 49° | — | — |
| 2009 | 76° | 44° | 60° | — | — |
| 2008 | 82° | 41° | 62° | — | — |
| 2007 | 48° | 41° | 45° | — | — |
| 2006 | 72° | 48° | 60° | — | — |
| 2005 | 75° | 42° | 59° | — | — |
| 2004 | 76° | 47° | 61° | — | — |
| 2003 | 55° | 32° | 44° | — | — |
| 2002warmest | 90° | 61° | 75° | 0.03" | — |
| 2001 | 54° | 38° | 46° | — | — |
| 2000 | 48° | 38° | 43° | 0.1" | — |
| 1999 | 55° | 43° | 49° | — | — |
| 1998 | 62° | 43° | 52° | 0.08" | — |
| 1997 | 55° | 31° | 43° | 0.13" | — |
| 1996 | 49° | 36° | 42° | — | — |
| 1995 | 68° | 34° | 51° | — | — |
| 1994 | 63° | 54° | 58° | — | — |
| 1993 | 51° | 39° | 45° | — | — |
| 1992 | 51° | 31° | 41° | 0.61" | — |
| 1991 | 61° | 41° | 51° | — | — |
| 1990 | 66° | 34° | 50° | 0.41" | — |
| 1989 | 72° | 41° | 56° | — | — |
| 1988 | 62° | 42° | 52° | — | — |
| 1987 | 51° | 42° | 47° | 0.53" | — |
| 1986 | 64° | 42° | 53° | — | — |
| 1985 | 54° | 34° | 44° | — | — |
| 1984 | 67° | 34° | 50° | — | — |
| 1983 | 52° | 33° | 42° | — | — |
| 1982 | 72° | 43° | 57° | 1.04" | — |
| 1981 | 62° | 46° | 54° | 0.13" | — |
| 1980 | 56° | 32° | 44° | — | — |
| 1979 | 57° | 30° | 44° | — | — |
| 1978 | 53° | 32° | 43° | 0.41" | — |
| 1977 | 68° | 35° | 52° | — | — |
| 1976 | 91° | 51° | 71° | — | — |
| 1975 | 65° | 34° | 49° | — | — |
| 1974 | 68° | 40° | 54° | — | — |
| 1973 | 67° | 53° | 60° | 0.03" | — |
| 1972 | 65° | 38° | 51° | — | — |
| 1971 | 54° | 34° | 44° | — | — |
55 years of data from HARTFORD BRAINARD FLD