Mansfield, IL Weather & Growing Conditions
This Afternoon
74°F
Chance Light Rain
A chance of rain. Partly sunny, with a high near 74. South wind around 21 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Chance Light Rain | 21 mph S | 39% |
| Tonight | 55°F | Rain | 16 to 20 mph S | 93% |
| Wednesday | 62°F | Chance Light Rain then Mostly Cloudy | 15 to 18 mph SW | 30% |
| Wednesday Night | 45°F | Mostly Cloudy | 13 mph SW | 3% |
| Thursday | 61°F | Mostly Sunny | 12 to 17 mph WSW | 5% |
| Thursday Night | 43°F | Mostly Cloudy | 6 to 9 mph WNW | 12% |
| Friday | 56°F | Slight Chance Light Rain then Partly Sunny | 8 to 13 mph NNW | 18% |
| Friday Night | 36°F | Mostly Cloudy | 5 to 12 mph NNW | 5% |
| Saturday | 54°F | Mostly Sunny | 6 mph NW | 2% |
| Saturday Night | 33°F | Partly Cloudy | 5 mph W | 3% |
| Sunday | 60°F | Sunny | 5 to 12 mph W | 12% |
| Sunday Night | 34°F | Mostly Clear | 6 to 9 mph WNW | 7% |
| Monday | 64°F | Sunny | 6 to 14 mph WSW | 3% |
| Monday Night | 39°F | Mostly Clear | 7 to 10 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mansfield, IL
Last spring frost
Apr 23
First fall frost
Oct 13
Growing season
170 days
Hardiness zone
6a
Explore more for Mansfield, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Champaign 9 Sw, Il (13.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.