Winfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winfield, a village in Dupage County, Illinois.
Tonight
59°F
Rain Showers
Rain showers. Cloudy. Low around 59, with temperatures rising to around 62 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Winfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Rain Showers | 15 mph S | 89% |
| Wednesday | 62°F | Rain Showers Likely | 15 mph SSW | 57% |
| Wednesday Night | 48°F | Slight Chance Rain Showers | 15 mph SW | 16% |
| Thursday | 56°F | Chance Rain Showers | 10 to 15 mph WSW | 30% |
| Thursday Night | 43°F | Chance Rain Showers | 5 to 10 mph WNW | 35% |
| Friday | 52°F | Chance Rain Showers | 10 to 15 mph N | 26% |
| Friday Night | 37°F | Mostly Cloudy | 5 to 10 mph NNW | 7% |
| Saturday | 51°F | Mostly Sunny | 5 mph WNW | 7% |
| Saturday Night | 36°F | Partly Cloudy | 0 to 5 mph WSW | 4% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Rain | 5 to 10 mph W | 15% |
| Sunday Night | 37°F | Mostly Clear | 5 to 10 mph WNW | 8% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph WSW | 3% |
| Monday Night | 41°F | Mostly Clear | 5 to 10 mph W | 2% |
| Tuesday | 60°F | Mostly Sunny | 5 to 10 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Winfield (41.878, -88.153). Updated through the day.
Growing snapshot for Winfield
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
174 days
Hardiness zone
5b
More local growing data for Winfield: nearby ZIP 60190 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, West Chicago Dupage Ap, Il (5.4 mi from Winfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.