Keosauqua, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keosauqua, a city in Van Buren County, Iowa.
Today
86°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 86. South wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast for Keosauqua
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 19% |
| Tonight | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph NW | 69% |
| Sunday | 73°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph N | 77% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph NE | 65% |
| Monday | 64°F | Showers And Thunderstorms Likely | 10 mph NE | 65% |
| Monday Night | 53°F | Chance Rain Showers | 5 to 10 mph NE | 48% |
| Tuesday | 62°F | Chance Rain Showers | 5 mph NE | 41% |
| Tuesday Night | 48°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Wednesday | 66°F | Mostly Sunny | 5 mph NE | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 70°F | Partly Sunny | 0 to 5 mph NE | 7% |
| Thursday Night | 56°F | Mostly Cloudy | 0 mph | 5% |
| Friday | 73°F | Partly Sunny | 0 to 5 mph E | 6% |
| Friday Night | 56°F | Mostly Cloudy | 0 mph | 6% |
Forecast source: National Weather Service (api.weather.gov) for Keosauqua (40.735, -91.960). Updated through the day.
Growing snapshot for Keosauqua
Last spring frost
Apr 26
First fall frost
Oct 13
Growing season
169 days
Hardiness zone
5b
More local growing data for Keosauqua: nearby ZIP 52565 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Keosauqua, Ia (1.9 mi from Keosauqua). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.