West Chicago, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Chicago, a city in Dupage County, Illinois.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. South southwest wind around 10 mph.
7-day forecast for West Chicago
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 10 mph SSW | 0% |
| Tonight | 67°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph SSW | 37% |
| Wednesday | 79°F | Showers And Thunderstorms Likely | 5 mph SW | 73% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 0 to 5 mph WNW | 87% |
| Thursday | 78°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 63% |
| Thursday Night | 61°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSE | 24% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph S | 5% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 15% |
| Saturday | 83°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Saturday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 19% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SW | 19% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 41% |
| Monday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 41% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph WSW | 46% |
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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Bensenville
Bloomingdale
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Darien
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Glen Ellyn
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Hanover Park
Hinsdale
Itasca
Lisle
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Naperville
Oak Brook
Oakbrook Terrace
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Warrenville
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 Aug 4, 2026.