Warrensburg, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Warrensburg, a village in Macon County, Illinois.
Overnight
69°F
Partly Cloudy
Partly cloudy, with a low around 69. Southeast wind around 9 mph, with gusts as high as 17 mph.
7-day forecast for Warrensburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Partly Cloudy | 9 mph SE | 5% |
| Saturday | 90°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 9 mph SSW | 18% |
| Saturday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 8 mph SSW | 24% |
| Sunday | 84°F | Chance Rain Showers | 5 to 13 mph NNW | 53% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 13 to 16 mph NE | 67% |
| Monday | 70°F | Showers And Thunderstorms Likely | 17 mph NE | 67% |
| Monday Night | 55°F | Showers And Thunderstorms Likely | 14 to 17 mph NE | 61% |
| Tuesday | 67°F | Chance Rain Showers | 17 mph NE | 34% |
| Tuesday Night | 52°F | Mostly Cloudy | 8 to 16 mph NNE | 7% |
| Wednesday | 70°F | Partly Sunny | 13 mph NNE | 2% |
| Wednesday Night | 53°F | Partly Cloudy | 6 to 12 mph NNE | 2% |
| Thursday | 71°F | Mostly Sunny | 6 to 10 mph NNE | 3% |
| Thursday Night | 55°F | Partly Cloudy | 5 to 10 mph NNE | 5% |
| Friday | 73°F | Mostly Sunny | 6 to 10 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Warrensburg (39.932, -89.063). Updated through the day.
Growing snapshot for Warrensburg
Last spring frost
Apr 14
First fall frost
Oct 24
Growing season
192 days
Hardiness zone
6a
More local growing data for Warrensburg: nearby ZIP 62573 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Argenta
Boody
Dalton City
Decatur
Elwin
Forsyth
Harristown
Long Creek
Macon
Maroa
Mount Zion
Niantic
Oreana
Climate data from the nearest NOAA station, Decatur Wtp, Il (10.3 mi from Warrensburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.