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CheckWeather USChicago Lawn
Forecast confidence: High · models disagree by 1°F

Chicago Lawn weather

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Showers,much the same tomorrow

NWS, the American and the European model agree on a high near 81° in Chicago Lawn today. Tomorrow looks cloudy around 77°, with a 0% chance of rain.

81°73°
77°69°
77°63°
86°64°
83°72°
81°67°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaysplit ±11°Thursdaysplit ±9°
NWSNational Blend (NBM)
73°
Mainly clear
Feels 73° · Wind 8 mph · Humidity 65%
AmericanNOAA GFS
72°
Overcast
Feels 71° · Wind 8 mph · Humidity 62%
EuropeanECMWF
70°
Mainly clear
Feels 72° · Wind 5 mph · Humidity 75%

Latest for Chicago Lawn: NWS (National Blend (NBM)): 73° Mainly clear · American (NOAA GFS): 72° Overcast · European (ECMWF): 70° Mainly clear.

The weather map: all three models at once

NWS, American, European side by side around Chicago Lawn and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Showers
81° 73°
models agree
Tomorrow
Cloudy
77° 69°
models agree
Mon
Cloudy
77° 63°
models agree
Tue
Cloudy
86° 64°
models agree
Wed
Light drizzle
83° 72°
±11°
Thu
Partly cloudy
81° 67°
±9°
Fri
Cloudy
84° 63°
±12°
Sat
Light drizzle
86° 68°
±7°
Sun
Light rain
80° 68°
±6°
Mon
Heavy drizzle
72° 63°
±6°
Tue
Light drizzle
71° 58°
±10°
Wed
Cloudy
72° 54°
±8°
Thu
Light drizzle
74° 58°
±13°
Fri
Mostly clear
75° 61°
±9°

Chicago Lawn, IL is at its warmest in Jul (average highs near 82°F) and coldest in Jan (lows around 23°F), with roughly 44 in of precipitation across the year. Below, compare what NWS, American, European forecast for Chicago Lawn 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.

Chicago Lawn climate by month

average daytime high and overnight low across a typical year
Jan
34°
23°
Feb
45°
27°
Mar
48°
32°
Apr
60°
41°
May
70°
51°
Jun
80°
61°
Jul
82°
65°
Aug
81°
65°
Sep
76°
60°
Oct
65°
48°
Nov
51°
37°
Dec
41°
29°

Which forecast is most accurate in Chicago Lawn?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
92
/100rank #1
92±0.8°F96±1.1 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
72
/100rank #2
82±1.8°F93±2.2 mph4771% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±1°80° to 82°±38%33% to 71% chance
Tomorrow±4°75° to 79°models agree0% to 0% chance
Mon±3°76° to 79°models agree0% to 0% chance
Tue±4°84° to 88°±4%1% to 5% chance
Wed±11°76° to 87°±32%25% to 57% chance

The models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Chicago Lawn

today, local time
Sunrise
06:21
Sunset
19:17
Daylight
12h 56m

Common questions

What's the weather in Chicago Lawn today?
On this page we show what NWS, American, European each forecast for Chicago Lawn 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 Chicago Lawn today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Chicago Lawn 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 Chicago Lawn?
Over the last 30 days, the European model has been the most accurate for Chicago Lawn (CheckWeather Score 92/100), ahead of the American at 72. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Chicago Lawn?
July is typically the warmest month in Chicago Lawn, with average highs around 82°F.
How cold does Chicago Lawn get?
The coldest month in Chicago Lawn is January, when overnight lows average about 23°F.
How much rain does Chicago Lawn get?
Chicago Lawn sees roughly 44 in of precipitation a year, with July usually the wettest month.

Nearby

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