Kirkwood, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kirkwood, a village in Warren County, Illinois.
Today
53°F
Slight Chance Rain Showers
A slight chance of rain showers after 8am. Cloudy, with a high near 53. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Kirkwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 53°F | Slight Chance Rain Showers | 15 mph SW | 17% |
| Tonight | 45°F | Mostly Cloudy | 10 mph SW | 7% |
| Thursday | 55°F | Chance Rain Showers | 10 to 15 mph W | 28% |
| Thursday Night | 42°F | Chance Rain Showers | 5 to 10 mph NW | 25% |
| Friday | 50°F | Partly Sunny | 5 to 10 mph N | 6% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 0 mph | 1% |
| Sunday | 57°F | Sunny | 0 to 5 mph W | 1% |
| Sunday Night | 35°F | Clear | 0 to 5 mph W | 0% |
| Monday | 63°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 40°F | Clear | 0 to 5 mph W | 0% |
| Tuesday | 64°F | Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 41°F | Partly Cloudy | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov) for Kirkwood (40.868, -90.748). Updated through the day.
Growing snapshot for Kirkwood
Last spring frost
Apr 22
First fall frost
Oct 14
Growing season
174 days
Hardiness zone
5b
More local growing data for Kirkwood: nearby ZIP 61447 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Monmouth 4Nw, Il (5.1 mi from Kirkwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.