Weather on March 18
Davenport, IA
55 Years of Data
Avg High
48°F
Avg Low
32°F
Warmest
2012
70°F avg
Coldest
2023
18°F avg
About This Date
March 18th in Davenport, IA typically brings chilly spring weather, with average highs around 48°F and lows near 32°F. Over 56 years of records, the warmest March 18th was in 2012 (70°F average), while the coldest was 2023 (18°F) — a 52°F range across recorded history. Precipitation has occurred on 23% of recorded March 18th dates, with snow falling 2% of the time. The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
Planning for March 18th in Davenport, IA? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 50° | 22° | 36° | 0.05" | 0.1" |
| 2025 | 70° | 44° | 57° | — | — |
| 2024 | 38° | 23° | 30° | — | — |
| 2023coldest | 25° | 12° | 18° | — | — |
| 2022 | 46° | 39° | 43° | 2.92" | — |
| 2021 | 50° | 35° | 43° | — | — |
| 2020 | 45° | — | — | 0.64" | — |
| 2019 | 39° | 17° | 28° | — | — |
| 2018 | 54° | 29° | 41° | — | — |
| 2017 | 47° | 35° | 41° | — | — |
| 2016 | 48° | 31° | 39° | — | — |
| 2015 | 47° | 32° | 39° | — | — |
| 2014 | 53° | 32° | 43° | — | — |
| 2013 | 35° | 21° | 28° | — | — |
| 2012warmest | 82° | 58° | 70° | — | — |
| 2011 | 54° | 37° | 45° | — | — |
| 2010 | 61° | 33° | 47° | — | — |
| 2009 | 55° | 43° | 49° | — | — |
| 2008 | 43° | 35° | 39° | 0.43" | — |
| 2007 | 50° | 40° | 45° | — | — |
| 2006 | 45° | 27° | 36° | — | — |
| 2005 | 59° | 31° | 45° | — | — |
| 2004 | 49° | 34° | 41° | 0.03" | — |
| 2003 | 57° | 42° | 50° | — | — |
| 2002 | 48° | 32° | 40° | — | — |
| 2001 | 46° | 25° | 35° | — | — |
| 2000 | 39° | 30° | 35° | — | — |
| 1999 | 50° | 33° | 42° | — | — |
| 1998 | 44° | 37° | 41° | 2.87" | — |
| 1997 | 42° | 33° | 38° | — | — |
| 1996 | 50° | 29° | 39° | — | — |
| 1995 | 63° | 38° | 50° | — | — |
| 1994 | 51° | 34° | 42° | — | — |
| 1993 | 34° | 15° | 24° | — | — |
| 1992 | 39° | 32° | 36° | — | — |
| 1991 | 48° | 35° | 42° | 1.22" | — |
| 1990 | 44° | 27° | 35° | — | — |
| 1989 | 28° | 19° | 24° | 0.76" | — |
| 1988 | 42° | 28° | 35° | — | — |
| 1987 | 44° | 37° | 41° | 0.58" | — |
| 1986 | 54° | 43° | 48° | 0.64" | — |
| 1985 | 53° | 26° | 40° | — | — |
| 1984 | 32° | 26° | 29° | 0.38" | — |
| 1983 | 43° | 37° | 40° | — | — |
| 1982 | 44° | 35° | 40° | — | — |
| 1981 | 40° | 23° | 31° | — | — |
| 1980 | 59° | 28° | 44° | — | — |
| 1979 | 66° | 40° | 53° | 1.22" | — |
| 1978 | 47° | 21° | 34° | — | — |
| 1977 | 40° | 35° | 37° | 0.13" | — |
| 1976 | 70° | 35° | 52° | — | — |
| 1975 | 57° | 35° | 46° | — | — |
| 1974 | 54° | 31° | 42° | — | — |
| 1973 | 46° | 26° | 36° | — | — |
| 1972 | 47° | 29° | 38° | — | — |
| 1971 | 44° | 35° | 40° | — | — |
56 years of data from DAVENPORT L&D 15