Mansfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mansfield, a village in Piatt County, Illinois.
Overnight
69°F
Mostly Clear
Mostly clear, with a low around 69. South southeast wind around 7 mph.
7-day forecast for Mansfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Mostly Clear | 7 mph SSE | 10% |
| Saturday | 87°F | Chance Showers And Thunderstorms | 8 mph SSE | 47% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 5 to 8 mph SSW | 30% |
| Sunday | 79°F | Chance Showers And Thunderstorms | 5 to 15 mph N | 69% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 17 mph NE | 63% |
| Monday | 67°F | Showers And Thunderstorms Likely | 16 to 20 mph ENE | 69% |
| Monday Night | 52°F | Chance Rain Showers | 14 to 20 mph NE | 51% |
| Tuesday | 65°F | Chance Rain Showers | 17 mph NE | 35% |
| Tuesday Night | 51°F | Chance Showers And Thunderstorms then Mostly Cloudy | 10 to 17 mph NNE | 35% |
| Wednesday | 68°F | Mostly Sunny | 14 mph NNE | 5% |
| Wednesday Night | 52°F | Partly Cloudy | 7 to 14 mph NNE | 5% |
| Thursday | 70°F | Partly Sunny | 10 mph NNE | 3% |
| Thursday Night | 53°F | Partly Cloudy | 7 to 10 mph NNE | 3% |
| Friday | 73°F | Mostly Sunny | 8 to 12 mph NE | 3% |
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 Sep 19, 2026.