Kirkwood, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kirkwood, a village in Warren County, Illinois.
This Afternoon
78°F
Mostly Sunny
Mostly sunny, with a high near 78. East wind around 10 mph.
7-day forecast for Kirkwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Mostly Sunny | 10 mph E | 4% |
| Tonight | 68°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph SE | 29% |
| Saturday | 85°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph S | 31% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph N | 73% |
| Sunday | 74°F | Showers And Thunderstorms Likely | 5 to 10 mph NE | 73% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 71% |
| Monday | 65°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 67% |
| Monday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 49% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 30% |
| Tuesday Night | 48°F | Partly Cloudy | 5 to 10 mph NE | 6% |
| Wednesday | 67°F | Mostly Sunny | 5 mph NE | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 69°F | Partly Sunny | 0 to 5 mph NE | 5% |
| Thursday Night | 54°F | Partly Cloudy | 0 to 5 mph NE | 5% |
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 Sep 18, 2026.