Waukesha County, WI Weather


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The most pleasant months of the year for Waukesha are June, August and July. In Waukesha, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Waukesha with an average high temperature of 82.0°, which ranks it as warmer than most places in Wisconsin. January is the snowiest month in Waukesha with 12.4 inches of snow, and 6 months of the year have significant snowfall. July is the most humid month, though it is still relatively mild compared to many other places.

Today's Weather - Waukesha, WI

1 AM PST

Mostly Cloudy

52°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
OvernightMostly Cloudy50° / 68°SW 15 mph
Tuesday NightChance Showers And Thunderstorms then Mostly Cloudy31° / 49°NW 15 mph
Wednesday NightPartly Cloudy then Widespread Frost29° / 56°E 5 to 10 mph
Thursday NightPartly Cloudy then Slight Chance Rain Showers40° / 61°SE 10 to 20 mph
Friday NightShowers And Thunderstorms54° / 76°S 20 to 25 mph
Saturday NightShowers And Thunderstorms Likely56° / 67°S 15 to 20 mph
Sunday NightShowers And Thunderstorms then Chance Showers And Thunderstorms49° / 63°SW 15 to 20 mph

Weather Highlights

Summer High: the July high is around 82 degrees
Winter Low: the January low is 11
Rain: averages 35 inches of rain a year
Snow: averages 43 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Waukesha County area is 9.2 (10=best), which means it is more comfortable than most places in Wisconsin.

9.2 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January28° 11°
February32° 14°
March43° 24°
April56° 36°
May68° 46°
June78° 56°
July82° 61°
August80° 59°
September73° 50°
October60° 39°
November46° 28°
December32° 16°
Hot, Freezing, Rainy, Snowy Days: Waukesha
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January030108
February02786
March02594
April010111
May01120
June20110
July30100
August20100
September0090
October07110
November020102
December029107

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

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