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Forecast confidence: High · models disagree by 3°F

Wheaton weather

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Light rain,rain likely tomorrow

NWS, the American and the European model agree on a high near 71° in Wheaton today. Tomorrow looks rain around 76°, with a 96% chance of rain.

71°64°
76°64°
70°63°
63°57°
62°54°
62°55°
Todaymodels agreeTomorrowsplit ±6°Sundaymodels agreeMondaymodels agreeTuesdaysplit ±5°Wednesdaymodels agree
NWSNational Blend (NBM)
71°
Light rain
Today 71°·Low 64°·Rain 34%
AmericanNOAA GFS
69°
Cloudy
Today 69°·Low 63°·Rain 34%
EuropeanECMWF
72°
Light drizzle
Today 72°·Low 64°·Rain 80%
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Wheaton weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Wheaton weather in numbers

from 30 years of measured normals

Wheaton swings 62°F across the year, from 83°F highs in July to 21°F lows in January, and July is usually the wettest month in a year that brings about 41 in of precipitation.

Warmest month
July
83°F average high
Coldest month
January
21°F average low
Wettest month
July
41 in a year
Below freezing
4 months
January, February, March and December
Comfortable
4 months
April, May, September and October
Residents
54,000
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The weather map: all three models at once

NWS, American, European side by side around Wheaton and nearby towns.Live rain radar →
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Wheaton hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Wheaton 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Light rain
71° 64°
models agree
Tomorrow
Rain
76° 64°
±6°
Sun
Rain
70° 63°
models agree
Mon
Light drizzle
63° 57°
models agree
Tue
Cloudy
62° 54°
±5°
Wed
Partly cloudy
62° 55°
models agree
Thu
Cloudy
64° 55°
models agree
Fri
Partly cloudy
68° 57°
models agree
Sat
Partly cloudy
70° 55°
±8°
Sun
Cloudy
71° 54°
±8°
Mon
Light drizzle
68° 53°
±7°
Tue
Drizzle
57° 51°
±17°
Wed
Cloudy
60° 47°
models agree
Thu
Cloudy
69° 47°
±6°

Wheaton, Illinois (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 Wheaton 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.

Wheaton 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 Wheaton?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
88
/100rank #1
94±0.6°F96±1.1 mph7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
77
/100rank #2
83±1.7°F95±1.5 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.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±3°69° to 72°±46%34% to 80% chance
Tomorrow±6°74° to 80°±33%63% to 96% chance
Sun±1°70° to 70°±14%81% to 95% chance
Mon±1°62° to 63°±7%38% to 45% chance
Tue±5°61° to 65°±24%13% to 37% 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 Wheaton

today, local time
Sunrise
06:35
Sunset
18:56
Daylight
12h 21m

Common questions

What's the weather in Wheaton today?
On this page we show what NWS, American, European each forecast for Wheaton 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 Wheaton today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Wheaton 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 Wheaton?
Over the last 30 days, the European model has been the most accurate for Wheaton (CheckWeather Score 88/100), ahead of the American at 77. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Wheaton?
July is typically the warmest month in Wheaton, with average highs around 83°F.
How cold does Wheaton get?
The coldest month in Wheaton is January, when overnight lows average about 21°F.
How much rain does Wheaton get?
Wheaton sees roughly 41 in of precipitation a year, with July usually the wettest month.

Nearby

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