TODAY JUN18
TEMPERATURE87
HUMIDITY65
PRESSURE29.89
WIND COND.210 13.9
  • 8762Mon30%60%
  • 7561Tue50%30%
  • 7859Wed20%
  • 7861Thu
  • 7662Fri30%30%
daynightWeather update from Watertown at

Waterloo 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 Waterloo for July is 70 degrees.
  • The lowest monthly average temperature in Waterloo for January is 22 degrees.
  • The most monthly precipitation in Waterloo occurs in January with 0 inches.
  • The air quality index in Waterloo is 25% better than the national average.
  • The pollution index in Waterloo is 44% better than the national average.

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Compare Waterloo, WI Weather To Other Cities

Waterloo 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.
IndexWaterlooWisconsinNational
Air quality index376950
Pollution index2,796,3103,316,8775,066,862

Waterloo 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

Waterloo air quality information

PollutantTotal
Arsenic0.003%
Benzene0.040%
Carbon Tetrachloride0.005%
Lead0.001%
Mercury0.004%

Average monthly Waterloo temperature with heat index

Waterloo monthly precipitation with daily maximum

Waterloo monthly snow depth with daily maximum

Waterloo monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Lake Ripley, WI1,7553628%
Rockdale, WI2263628%
Jefferson, WI7,9763628%
Cambridge, WI1,1793628%
Helenville, WI1753726%
Waterloo, WI3,3413726%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Pine Ridge, SD3,3414314%
Brimfield, OH3,3413432%
Loxahatchee Groves, FL3,3422942%
Sherwood, OH3,342548%
West Point, NE3,3434118%
Waterloo, WI3,3413726%
Source: The Waterloo, 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.