Historical weather data, all-time temperature records, and monthly climate averages for Davenport, IA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Davenport sits right in that unpredictable shoulder season — the average high is 55° with a low of 36°, but the date has seen everything from a balmy 85° back in 1873 to a bone-chilling 19° as recently as 1995. There's about a 1-in-3 chance of rain today historically, though snow is essentially off the table.
Davenport's weather has serious range — 160 years of records span from a sweltering 104° in July 1874 all the way down to -32° on January 31, 2019, a 136-degree spread that captures the full fury of the Midwest. A single June day in 1990 dumped 6.56 inches of rain, and a February 2015 storm buried the city under 12.4 inches of snow.
Summer is the sweet spot for Davenport, with late June averaging highs of 85° and the warmest stretch running through July at 85°. If you're cold-averse, avoid early January, when highs barely crack 31°. May is the wettest month to plan around, peaking in the last week with an average of 1.29 inches of precipitation.