Weather on March 18
Hartford, CT
55 Years of Data
Avg High
48°F
Avg Low
28°F
Warmest
2022
60°F avg
Coldest
1993
17°F avg
About This Date
March 18th in Hartford, CT typically brings chilly spring weather, with average highs around 48°F and lows near 28°F. Over 56 years of records, the warmest March 18th was in 2022 (60°F average), while the coldest was 1993 (17°F) — a 43°F range across recorded history. Rain or other precipitation has occurred on about 23% of March 18th dates historically, with the wettest March 18th recording 2.49" of rain. The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
Planning for March 18th in Hartford, CT? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 37° | 24° | 31° | — | — |
| 2025 | 58° | 34° | 46° | — | — |
| 2024 | 52° | 39° | 45° | — | — |
| 2023 | 52° | 37° | 44° | — | — |
| 2022warmest | 76° | 45° | 60° | — | — |
| 2021 | 46° | 38° | 42° | 2.11" | — |
| 2020 | 55° | 34° | 44° | — | — |
| 2019 | 44° | 24° | 34° | — | — |
| 2018 | 37° | 19° | 28° | — | — |
| 2017 | 43° | 19° | 31° | — | — |
| 2016 | 52° | 35° | 43° | — | — |
| 2015 | 33° | 24° | 29° | — | — |
| 2014 | 43° | 18° | 31° | — | — |
| 2013 | 38° | 21° | 30° | 0.74" | — |
| 2012 | 70° | 39° | 54° | — | — |
| 2011 | 72° | 44° | 58° | — | — |
| 2010 | 68° | 33° | 51° | — | — |
| 2009 | 59° | 34° | 46° | — | — |
| 2008 | 46° | 26° | 36° | — | — |
| 2007 | 38° | 22° | 30° | — | — |
| 2006 | 41° | 24° | 33° | — | — |
| 2005 | 47° | 24° | 35° | — | — |
| 2004 | 35° | 25° | 30° | 0.08" | — |
| 2003 | 63° | 35° | 49° | — | — |
| 2002 | 37° | 31° | 34° | 0.69" | — |
| 2001 | 47° | 35° | 41° | 0.05" | — |
| 2000 | 37° | 19° | 28° | — | — |
| 1999 | 63° | 27° | 45° | — | — |
| 1998 | 45° | 17° | 31° | — | — |
| 1997 | 41° | 5° | 23° | — | — |
| 1996 | 53° | 24° | 39° | — | — |
| 1995 | 53° | 38° | 45° | 1.52" | — |
| 1994 | 35° | 26° | 31° | 0.25" | — |
| 1993coldest | 26° | 9° | 17° | — | — |
| 1992 | 40° | 27° | 33° | — | — |
| 1991 | 56° | 32° | 44° | — | — |
| 1990 | 67° | 43° | 55° | 1.35" | — |
| 1989 | 64° | 45° | 54° | — | — |
| 1988 | 48° | 29° | 38° | — | — |
| 1987 | 38° | 28° | 33° | — | — |
| 1986 | 56° | 30° | 43° | — | — |
| 1985 | 54° | 22° | 38° | 0.05" | — |
| 1984 | 41° | 29° | 35° | — | — |
| 1983 | 47° | 37° | 42° | — | — |
| 1982 | 36° | 23° | 29° | 0.51" | — |
| 1981 | 43° | 17° | 30° | — | — |
| 1980 | 57° | 33° | 45° | 2.49" | — |
| 1979 | 45° | 20° | 32° | — | — |
| 1978 | 40° | 17° | 28° | — | — |
| 1977 | 46° | 33° | 40° | — | — |
| 1976 | 29° | 19° | 24° | — | — |
| 1975 | 55° | 25° | 40° | — | — |
| 1974 | 42° | 26° | 34° | — | — |
| 1973 | 65° | 33° | 49° | 2.29" | — |
| 1972 | 49° | 30° | 39° | 0.23" | — |
| 1971 | 43° | 27° | 35° | — | — |
56 years of data from HARTFORD BRAINARD FLD