Harman US

Davenport, IA Weather & Growing Conditions

Overnight
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1am and 4am, then showers and thunderstorms likely. Mostly cloudy. Low around 68, with temperatures rising to around 70 overnight. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 68°F Chance Showers And Thunderstorms 5 to 10 mph E 57%
Saturday 84°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 5 mph S 69%
Saturday Night 65°F Chance Showers And Thunderstorms then Showers And Thunderstorms 5 mph NW 79%
Sunday 71°F Showers And Thunderstorms Likely 5 to 10 mph NE 79%
Sunday Night 58°F Showers And Thunderstorms Likely 10 to 15 mph NE 56%
Monday 65°F Rain Showers Likely 10 to 15 mph NE 56%
Monday Night 54°F Chance Rain Showers 10 to 15 mph NE 51%
Tuesday 64°F Chance Showers And Thunderstorms 10 mph NE 46%
Tuesday Night 50°F Partly Cloudy 5 to 10 mph NE 5%
Wednesday 68°F Mostly Sunny 5 mph NE 2%
Wednesday Night 53°F Partly Cloudy 0 to 5 mph NE 2%
Thursday 70°F Mostly Sunny 0 to 5 mph NE 5%
Thursday Night 55°F Partly Cloudy 0 to 5 mph NE 6%
Friday 71°F Mostly Sunny 0 to 5 mph NE 6%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Davenport, IA

Last spring frost
Apr 19
First fall frost
Oct 22
Growing season
184 days
Hardiness zone
5b

Explore more for Davenport, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Rock Island L&D 15, Il (0.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.