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Forecast confidence: High · models disagree by 1°F

Waukesha weather

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Cloudy,much the same tomorrow

NWS, the American and the European model agree on a high near 76° in Waukesha today. Tomorrow looks cloudy around 77°, with a 0% chance of rain.

76°62°
77°60°
80°62°
78°66°
72°57°
77°56°
Todaymodels agreeTomorrowmodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agreeFridaymodels agree
NWSNational Blend (NBM)
65°
Partly cloudy
Feels 67° · Wind 3 mph · Humidity 84%
AmericanNOAA GFS
65°
Overcast
Feels 66° · Wind 4 mph · Humidity 75%
EuropeanECMWF
66°
Overcast
Feels 67° · Wind 5 mph · Humidity 77%

Latest for Waukesha: NWS (National Blend (NBM)): 65° Partly cloudy · American (NOAA GFS): 65° Overcast · European (ECMWF): 66° Overcast.

Waukesha weather in numbers

from 30 years of measured normals

Waukesha swings 61°F across the year, from 81°F highs in July to 20°F lows in January, and July is usually the wettest month in a year that brings about 41 in of precipitation.

Warmest month
July
81°F average high
Coldest month
January
20°F average low
Wettest month
July
41 in a year
Below freezing
4 months
January, February, March and December
Comfortable
4 months
May, June, September and October
Residents
72,000
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The weather map: all three models at once

NWS, American, European side by side around Waukesha and nearby towns.Live rain radar →
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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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14-day forecast

where the models agree, and where they split
Today
Cloudy
76° 62°
models agree
Tomorrow
Cloudy
77° 60°
models agree
Tue
Light drizzle
80° 62°
models agree
Wed
Light rain
78° 66°
models agree
Thu
Mostly clear
72° 57°
models agree
Fri
Mostly clear
77° 56°
models agree
Sat
Drizzle
80° 62°
±5°
Sun
Showers
74° 61°
±9°
Mon
Light rain
70° 55°
±14°
Tue
Light drizzle
70° 53°
±17°
Wed
Cloudy
69° 52°
models agree
Thu
Cloudy
67° 55°
±10°
Fri
Drizzle
63° 55°
models agree
Sat
Drizzle
60° 47°
±6°

Waukesha, WI is at its warmest in Jul (average highs near 81°F) and coldest in Jan (lows around 20°F), with roughly 41 in of precipitation across the year. Below, compare what NWS, American, European forecast for Waukesha 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.

Waukesha climate by month

average daytime high and overnight low across a typical year
Jan
31°
20°
Feb
41°
23°
Mar
45°
29°
Apr
57°
39°
May
70°
49°
Jun
78°
59°
Jul
81°
63°
Aug
79°
62°
Sep
75°
58°
Oct
62°
47°
Nov
47°
35°
Dec
38°
26°

Which forecast is most accurate in Waukesha?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
89
/100rank #1
91±0.9°F97±0.9 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
69
/100rank #2
87±1.3°F96±1.4 mph2961% 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±1°75° to 76°±1%0% to 1% chance
Tomorrow±4°76° to 80°models agree0% to 0% chance
Tue±2°79° to 81°±25%11% to 36% chance
Wed±3°77° to 80°±8%88% to 96% chance
Thu±1°72° to 73°±1%0% to 1% 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 Waukesha

today, local time
Sunrise
06:23
Sunset
19:19
Daylight
12h 56m

Common questions

What's the weather in Waukesha today?
On this page we show what NWS, American, European each forecast for Waukesha 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 Waukesha today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Waukesha 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 Waukesha?
Over the last 30 days, the European model has been the most accurate for Waukesha (CheckWeather Score 89/100), ahead of the American at 69. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Waukesha?
July is typically the warmest month in Waukesha, with average highs around 81°F.
How cold does Waukesha get?
The coldest month in Waukesha is January, when overnight lows average about 20°F.
How much rain does Waukesha get?
Waukesha sees roughly 41 in of precipitation a year, with July usually the wettest month.

Nearby

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