Keokuk, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keokuk, a city in Lee County, Iowa.
Overnight
72°F
Patchy Fog
Patchy fog after 4am. Partly cloudy, with a low around 72. Southeast wind around 5 mph.
7-day forecast for Keokuk
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Patchy Fog | 5 mph SE | 12% |
| Saturday | 88°F | Patchy Fog then Mostly Cloudy | 5 to 10 mph S | 12% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 62% |
| Sunday | 76°F | Showers And Thunderstorms | 5 to 10 mph N | 79% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 10 mph NE | 69% |
| Monday | 66°F | Showers And Thunderstorms Likely | 10 mph NE | 69% |
| Monday Night | 55°F | Chance Rain Showers | 5 to 10 mph NE | 36% |
| Tuesday | 64°F | Chance Rain Showers | 10 mph NE | 36% |
| Tuesday Night | 51°F | Partly Cloudy | 5 mph NE | 4% |
| Wednesday | 68°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 54°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Thursday | 71°F | Partly Sunny | 0 to 5 mph NE | 5% |
| Thursday Night | 57°F | Mostly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 73°F | Partly Sunny | 0 to 5 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Keokuk (40.410, -91.403). Updated through the day.
Growing snapshot for Keokuk
Last spring frost
Apr 10
First fall frost
Oct 27
Growing season
198 days
Hardiness zone
6a
More local growing data for Keokuk: nearby ZIP 52632 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Argyle
Denmark
Donnellson
Farmington
Fort Madison
Franklin
Hillsboro
Houghton
Montrose
Mooar
Oak Hills
Sandusky
St. Paul
West Point
Wever
Climate data from the nearest NOAA station, Keokuk Lock Dam 19, Ia (4.4 mi from Keokuk). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.