Weather on March 15
Hartford, CT
55 Years of Data
Avg High
48°F
Avg Low
31°F
Warmest
2019
55°F avg
Coldest
1993
19°F avg
About This Date
March 15th in Hartford, CT typically brings chilly spring weather, with average highs around 48°F and lows near 31°F. Over 56 years of records, the warmest March 15th was in 2019 (55°F average), while the coldest was 1993 (19°F) — a 36°F range across recorded history. Precipitation has occurred on 39% of recorded March 15th dates, with snow falling 2% of the time (heaviest snowfall: 4"). The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for March 15th in Hartford, CT? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 45° | 29° | 37° | — | — |
| 2025 | 50° | 41° | 46° | — | — |
| 2024 | 60° | 41° | 51° | — | — |
| 2023 | 42° | 36° | 39° | — | — |
| 2022 | 67° | 38° | 52° | 0.05" | — |
| 2021 | 33° | 19° | 26° | — | — |
| 2020 | 54° | 34° | 44° | — | — |
| 2019warmest | 63° | 47° | 55° | 1.32" | — |
| 2018 | 46° | 32° | 39° | — | — |
| 2017 | 29° | 16° | 23° | — | — |
| 2016 | 52° | 41° | 46° | 0.48" | — |
| 2015 | 42° | 32° | 37° | — | — |
| 2014 | 56° | 36° | 46° | 0.05" | — |
| 2013 | 43° | 26° | 35° | — | — |
| 2012 | 57° | 38° | 47° | — | — |
| 2011 | 41° | 22° | 32° | — | — |
| 2010 | 45° | 41° | 43° | 0.36" | — |
| 2009 | 59° | 31° | 45° | — | — |
| 2008 | 46° | 37° | 42° | 0.41" | — |
| 2007 | 54° | 34° | 44° | 0.43" | — |
| 2006 | 43° | 34° | 38° | — | — |
| 2005 | 45° | 26° | 35° | — | — |
| 2004 | 54° | 36° | 45° | — | — |
| 2003 | 47° | 28° | 37° | — | — |
| 2002 | 56° | 33° | 44° | — | — |
| 2001 | 53° | 32° | 43° | — | — |
| 2000 | 62° | 34° | 48° | — | — |
| 1999 | 46° | 11° | 28° | — | — |
| 1998 | 38° | 18° | 28° | 0.97" | — |
| 1997 | 36° | 23° | 29° | 2.84" | — |
| 1996 | 62° | 39° | 51° | — | — |
| 1995 | 57° | 41° | 49° | — | — |
| 1994 | 54° | 30° | 42° | 0.25" | — |
| 1993coldest | 28° | 11° | 19° | — | — |
| 1992 | 31° | 14° | 22° | — | — |
| 1991 | 42° | 31° | 36° | 0.56" | — |
| 1990 | 66° | 42° | 54° | — | — |
| 1989 | 52° | 32° | 42° | 0.08" | — |
| 1988 | 40° | 29° | 34° | 0.3" | — |
| 1987 | 43° | 23° | 33° | — | — |
| 1986 | 56° | 35° | 45° | 0.2" | — |
| 1985 | 54° | 34° | 44° | — | — |
| 1984 | 42° | 21° | 32° | — | — |
| 1983 | 59° | 39° | 49° | — | — |
| 1982 | 54° | 30° | 42° | — | — |
| 1981 | 34° | 26° | 30° | — | — |
| 1980 | 38° | 29° | 33° | 0.38" | — |
| 1979 | 54° | 21° | 37° | 0.25" | — |
| 1978 | 48° | 32° | 40° | 1.78" | — |
| 1977 | 50° | 43° | 46° | 0.69" | — |
| 1976 | 49° | 31° | 40° | — | — |
| 1975 | 32° | 25° | 28° | 0.1" | — |
| 1974 | 47° | 24° | 35° | — | — |
| 1973 | 48° | 35° | 42° | 0.33" | — |
| 1972 | 35° | 25° | 30° | 0.99" | 4" |
| 1971 | 57° | 33° | 45° | 0.05" | — |
56 years of data from HARTFORD BRAINARD FLD