Warrenville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Warrenville, a city in Dupage County, Illinois.
This Afternoon
70°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. High near 70, with temperatures falling to around 67 in the afternoon. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Warrenville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Chance Rain Showers | 15 mph S | 49% |
| Tonight | 59°F | Rain Showers | 15 mph SSE | 89% |
| Wednesday | 63°F | Rain Showers Likely | 15 mph SSW | 55% |
| Wednesday Night | 48°F | Mostly Cloudy | 15 mph SW | 14% |
| Thursday | 57°F | Chance Rain Showers | 10 to 15 mph WSW | 28% |
| Thursday Night | 43°F | Chance Rain Showers | 5 to 10 mph WNW | 34% |
| Friday | 52°F | Chance Rain Showers | 10 mph N | 25% |
| Friday Night | 36°F | Partly Cloudy | 5 to 10 mph NNW | 6% |
| Saturday | 52°F | Mostly Sunny | 5 mph WNW | 7% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph WSW | 4% |
| Sunday | 57°F | Mostly Sunny | 5 to 10 mph W | 14% |
| Sunday Night | 36°F | Mostly Clear | 5 to 10 mph WNW | 7% |
| Monday | 60°F | Mostly Sunny | 5 to 10 mph WSW | 3% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph WSW | 2% |
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 Nov 4, 2026.