TODAY JUL29
TEMPERATURE77
HUMIDITY78
PRESSURE29.95
WIND COND.
  • 8360Thu
  • 7759Fri
  • 8259Sat20%40%
  • 7555Sun
  • 7656Mon
daynightWeather update from Waukesha County Airport at

Key findings

  • The highest monthly average temperature in Waukesha for July is 70.3 degrees
  • The lowest monthly average temperature in Waukesha for January is 20.8 degrees
  • The most monthly precipitation in Waukesha occurs in June with 19.6 inches
  • The air quality index in Waukesha is 12% better than the national average
  • The pollution index in Waukesha is 89% worse than the national average

Compare Waukesha, WI Weather

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      Waukesha Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January15°F28°F21°F0.6"
      February15°F29°F22°F2.8"
      March27°F43°F34°F2.9"
      April37°F55°F45°F3.1"
      May47°F67°F56°F8.9"
      June56°F76°F66°F19.6"
      July61°F80°F70°F14.9"
      August60°F78°F69°F2.3"
      September53°F72°F61°F10.4"
      October42°F59°F50°F6.6"
      November31°F46°F38°F3.6"
      December20°F32°F26°F1.8"

      Waukesha air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexWaukeshaWisconsinNational
      Air quality index446950
      Pollution index9,584,4303,316,8775,066,862

      Waukesha air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality254
      Days with moderate air quality108
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality0

      Waukesha air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.090%
      Carbon Tetrachloride0.020%
      Lead0.010%
      Mercury0.020%

      Average monthly Waukesha temperature with heat index

      Waukesha monthly precipitation with daily maximum

      Waukesha monthly snow depth with daily maximum

      Waukesha monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Delafield, WI7,2183726%
      Potter Lake, WI1,1693726%
      Okauchee Lake, WI4,3003726%
      Oconomowoc Lake, WI5473726%
      Mukwonago, WI7,5493726%
      Waukesha, WI72,0164412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Canton, OH72,163468%
      Missouri City, TX71,732524%
      Iowa City, IA72,3853530%
      Waldorf, MD72,413476%
      Layton, UT72,4134510%
      Waukesha, WI72,0164412%
      Source: The Waukesha, WI weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.