Skip to main content
Every US forecast, compared
checkweather.io
CheckWeather USWest Chicago

West Chicago weather

Loading live data…

The weather map: all three models at once

NWS, American, European side by side around West Chicago and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

West Chicago, IL is at its warmest in Jul (average highs near 83°F) and coldest in Jan (lows around 21°F), with roughly 41 in of precipitation across the year. Below, compare what NWS, American, European forecast for West Chicago right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

West Chicago climate by month

average daytime high and overnight low across a typical year
Jan
33°
21°
Feb
44°
25°
Mar
49°
31°
Apr
60°
40°
May
72°
50°
Jun
82°
61°
Jul
83°
64°
Aug
82°
63°
Sep
77°
59°
Oct
64°
47°
Nov
50°
36°
Dec
40°
28°

Which forecast is most accurate in West Chicago?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
86
/100rank #1
92±0.8°F97±1.0 mph7184% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
78
/100rank #2
85±1.5°F95±1.6 mph5877% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

Common questions

What's the weather in West Chicago today?
On this page we show what NWS, American, European each forecast for West Chicago today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in West Chicago today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for West Chicago and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for West Chicago?
Over the last 30 days, the European model has been the most accurate for West Chicago (CheckWeather Score 86/100), ahead of the American at 78. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in West Chicago?
July is typically the warmest month in West Chicago, with average highs around 83°F.
How cold does West Chicago get?
The coldest month in West Chicago is January, when overnight lows average about 21°F.
How much rain does West Chicago get?
West Chicago sees roughly 41 in of precipitation a year, with July usually the wettest month.

Nearby

More US weather