TODAY JUN25
TEMPERATURE57
HUMIDITY95
PRESSURE30.13
WIND COND.
  • 7662Mon
  • 7463Tue60%70%
  • 7864Wed40%
  • 8571Thu
  • 9276Fri30%
daynightWeather update from Watertown at

Oconomowoc Average Weather

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
January-24°F54°F22°Fn/a
February-18°F55°F22°Fn/a
March1°F79°F34°Fn/a
April19°F84°F47°Fn/a
May28°F88°F58°Fn/a
June39°F97°F68°Fn/a
July43°F95°F70°Fn/a
August41°F91°F70°Fn/a
September32°F93°F63°Fn/a
October21°F86°F50°Fn/a
November12°F73°F39°Fn/a
December-9°F52°F23°Fn/a

Did you know?

  • The highest monthly average temperature in Oconomowoc for July is 70 degrees.
  • The lowest monthly average temperature in Oconomowoc for January is 22 degrees.
  • The most monthly precipitation in Oconomowoc occurs in January with 0 inches.
  • The air quality index in Oconomowoc is 25% better than the national average.
  • The pollution index in Oconomowoc is 89% worse than the national average.

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Compare Oconomowoc, WI Weather To Other Cities

Oconomowoc 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.
IndexOconomowocWisconsinNational
Air quality index376950
Pollution index9,584,4303,316,8775,066,862

Oconomowoc air quality information

MeasurementTotal
Days measured194
Days with good air quality175
Days with moderate air quality19
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Oconomowoc air quality information

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

Average monthly Oconomowoc temperature with heat index

Oconomowoc monthly precipitation with daily maximum

Oconomowoc monthly snow depth with daily maximum

Oconomowoc monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Hebron, WI1523628%
North Prairie, WI2,3913628%
Dousman, WI2,4933628%
Rome, WI7353628%
Chenequa, WI4803726%
Oconomowoc, WI16,2893726%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Norcross, GA16,293524%
Menomonie, WI16,295355610%
Bostonia, CA16,2956122%
Woodcrest, CA16,2968570%
Highland Springs, VA16,2763922%
Oconomowoc, WI16,2893726%
Source: The Oconomowoc, 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.