Mansfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mansfield, a village in Piatt County, Illinois.
This Afternoon
72°F
Chance Light Rain
A chance of rain. Mostly cloudy, with a high near 72. South wind 21 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Mansfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Chance Light Rain | 21 to 25 mph S | 38% |
| Tonight | 55°F | Rain | 16 to 21 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 | 13% |
| 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) for Mansfield (40.212, -88.509). Updated through the day.
Growing snapshot for Mansfield
Last spring frost
Apr 23
First fall frost
Oct 13
Growing season
170 days
Hardiness zone
6a
More local growing data for Mansfield: nearby ZIP 61854 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Champaign 9 Sw, Il (13.1 mi from Mansfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.