Mansfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mansfield, a village in Piatt County, Illinois.
Overnight
61°F
Patchy Fog
Patchy fog. Clear, with a low around 61. South southeast wind around 3 mph.
7-day forecast for Mansfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Patchy Fog | 3 mph SSE | 0% |
| Tuesday | 84°F | Patchy Fog then Sunny | 6 mph S | 0% |
| Tuesday Night | 65°F | Mostly Clear | 6 mph SSE | 0% |
| Wednesday | 84°F | Mostly Sunny | 5 to 8 mph S | 13% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 7 mph S | 81% |
| Thursday | 81°F | Showers And Thunderstorms | 7 mph SSW | 81% |
| Thursday Night | 65°F | Chance Showers And Thunderstorms | 6 mph S | 28% |
| Friday | 82°F | Mostly Sunny | 5 mph SSW | 12% |
| Friday Night | 65°F | Chance Showers And Thunderstorms | 5 mph S | 25% |
| Saturday | 84°F | Slight Chance Rain Showers then Mostly Sunny | 7 mph SSW | 17% |
| Saturday Night | 69°F | Mostly Clear | 6 to 10 mph SSW | 13% |
| Sunday | 86°F | Sunny | 10 to 15 mph SSW | 8% |
| Sunday Night | 71°F | Partly Cloudy | 14 mph SSW | 12% |
| Monday | 87°F | Slight Chance Showers And Thunderstorms | 13 mph SSW | 17% |
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 Aug 4, 2026.