West Chicago, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Chicago, a city in Dupage County, Illinois.
This Afternoon
69°F
Rain Showers Likely
Rain showers likely. Mostly cloudy. High near 69, with temperatures falling to around 66 in the afternoon. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for West Chicago
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Rain Showers Likely | 15 mph S | 56% |
| Tonight | 59°F | Rain Showers | 15 mph SSE | 88% |
| Wednesday | 62°F | Rain Showers Likely | 15 mph SSW | 55% |
| Wednesday Night | 47°F | Slight Chance Rain Showers | 15 mph SW | 16% |
| Thursday | 56°F | Chance Rain Showers | 10 to 15 mph WSW | 32% |
| Thursday Night | 42°F | Chance Rain Showers | 5 to 10 mph WNW | 35% |
| Friday | 52°F | Chance Rain Showers | 10 to 15 mph N | 25% |
| Friday Night | 35°F | Mostly Cloudy | 5 to 10 mph NNW | 5% |
| Saturday | 51°F | Mostly Sunny | 5 mph WNW | 6% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph WSW | 5% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Rain | 5 to 10 mph W | 15% |
| Sunday Night | 35°F | Mostly Clear | 5 mph WNW | 7% |
| Monday | 60°F | Sunny | 5 to 10 mph WSW | 3% |
| Monday Night | 39°F | Mostly Clear | 5 to 10 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for West Chicago (41.894, -88.221). Updated through the day.
Growing snapshot for West Chicago
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
174 days
Hardiness zone
5b
More local growing data for West Chicago: nearby ZIP 60185 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Bloomingdale
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Hinsdale
Itasca
Lisle
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Oak Brook
Oakbrook Terrace
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Wayne
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Willowbrook
Winfield
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Climate data from the nearest NOAA station, West Chicago Dupage Ap, Il (2.2 mi from West Chicago). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.