Warrensburg, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Warrensburg, a village in Macon County, Illinois.
This Afternoon
73°F
Light Rain Likely
Rain likely and a slight chance of thunderstorms. Mostly cloudy. High near 73, with temperatures falling to around 68 in the afternoon. South wind 20 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Warrensburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Light Rain Likely | 20 to 23 mph S | 62% |
| Tonight | 54°F | Rain | 16 to 20 mph S | 82% |
| Wednesday | 61°F | Slight Chance Light Rain then Mostly Cloudy | 14 to 17 mph SW | 20% |
| Wednesday Night | 44°F | Mostly Cloudy | 13 mph SW | 1% |
| Thursday | 61°F | Mostly Sunny | 12 to 17 mph WSW | 4% |
| Thursday Night | 43°F | Mostly Cloudy then Slight Chance Light Rain | 5 to 9 mph WNW | 20% |
| Friday | 55°F | Mostly Cloudy | 8 to 13 mph NNW | 14% |
| Friday Night | 36°F | Mostly Cloudy | 3 to 12 mph NNW | 6% |
| Saturday | 54°F | Mostly Sunny | 6 mph NW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 3 mph W | 2% |
| Sunday | 60°F | Sunny | 3 to 10 mph W | 10% |
| Sunday Night | 34°F | Mostly Clear | 5 to 8 mph WNW | 6% |
| Monday | 64°F | Sunny | 5 to 13 mph SW | 3% |
| Monday Night | 39°F | Mostly Clear | 5 to 9 mph WSW | 2% |
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 Nov 3, 2026.