Kirkwood, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kirkwood, a village in Warren County, Illinois.
Today
87°F
Mostly Sunny
Mostly sunny, with a high near 87. South wind 5 to 10 mph.
7-day forecast for Kirkwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Mostly Sunny | 5 to 10 mph S | 1% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 5 mph E | 34% |
| Wednesday | 81°F | Chance Showers And Thunderstorms | 5 mph SW | 64% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 0 to 5 mph N | 87% |
| Thursday | 80°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 62% |
| Thursday Night | 62°F | Partly Cloudy | 0 mph | 12% |
| Friday | 82°F | Mostly Sunny | 0 mph | 8% |
| Friday Night | 65°F | Mostly Clear | 0 mph | 13% |
| Saturday | 85°F | Sunny | 5 mph S | 11% |
| Saturday Night | 70°F | Mostly Clear | 5 to 10 mph S | 9% |
| Sunday | 87°F | Sunny | 10 mph SW | 9% |
| Sunday Night | 70°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph S | 25% |
| Monday | 87°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 25% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 10 mph S | 29% |
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 Aug 4, 2026.