Weather on March 18
Davenport, IA
55 Years of Data
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° | — | — |
Davenport, IA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Davenport, IA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Davenport, IA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Davenport, IA
Davenport, IA has no months that meet our "pleasant" threshold — every season has tradeoffs.