Warrensburg, IL Weather & Growing Conditions
Overnight
64°F
Mostly Clear
Mostly clear, with a low around 64. Southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Mostly Clear | 3 mph SE | 0% |
| Tuesday | 86°F | Sunny | 6 mph S | 0% |
| Tuesday Night | 67°F | Mostly Clear | 6 mph SSE | 0% |
| Wednesday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 8 mph SSW | 15% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 7 mph S | 80% |
| Thursday | 82°F | Showers And Thunderstorms | 8 mph SSW | 80% |
| Thursday Night | 66°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph S | 22% |
| Friday | 83°F | Mostly Sunny | 5 mph SSW | 10% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 5 mph SSW | 25% |
| Saturday | 85°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 8 mph SSW | 16% |
| Saturday Night | 71°F | Mostly Clear | 9 mph S | 11% |
| Sunday | 88°F | Sunny | 9 to 15 mph SSW | 6% |
| Sunday Night | 73°F | Mostly Clear | 10 to 15 mph SSW | 11% |
| Monday | 89°F | Mostly Sunny | 13 mph SSW | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Warrensburg, IL
Last spring frost
Apr 14
First fall frost
Oct 24
Growing season
192 days
Hardiness zone
6a
Explore more for Warrensburg, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Decatur Wtp, Il (10.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.