Warrenville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Warrenville, a city in Dupage County, Illinois.
This Afternoon
72°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 72. East wind 10 to 15 mph. Chance of precipitation is 50%.
7-day forecast for Warrenville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Chance Rain Showers | 10 to 15 mph E | 51% |
| Tonight | 62°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 10 mph E | 46% |
| Saturday | 77°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 81% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 5 to 10 mph NE | 81% |
| Sunday | 68°F | Showers And Thunderstorms | 10 to 15 mph NNE | 81% |
| Sunday Night | 56°F | Rain Showers Likely | 15 mph NE | 63% |
| Monday | 64°F | Chance Rain Showers | 15 mph ENE | 49% |
| Monday Night | 52°F | Chance Rain Showers | 10 to 15 mph ENE | 31% |
| Tuesday | 63°F | Slight Chance Rain Showers | 10 to 15 mph NE | 21% |
| Tuesday Night | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 15% |
| Wednesday | 66°F | Partly Sunny | 10 mph NNE | 8% |
| Wednesday Night | 52°F | Mostly Cloudy | 5 to 10 mph NNE | 4% |
| Thursday | 68°F | Partly Sunny | 5 to 10 mph NNE | 5% |
| Thursday Night | 53°F | Mostly Cloudy | 5 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Warrenville (41.821, -88.187). Updated through the day.
Growing snapshot for Warrenville
Last spring frost
Apr 28
First fall frost
Oct 16
Growing season
169 days
Hardiness zone
5b
More local growing data for Warrenville: nearby ZIP 60555 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Lisle-Morton Arboretum, Il (6 mi from Warrenville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.