TODAY MAR29
TEMPERATURE27
HUMIDITY80
PRESSURE101800
WIND COND.260 7.6
  • 4236Fri60%
  • 4734Sat40%
  • 4337Sun60%
  • 4535Mon50%70%
  • 4431Tue30%30%
daynightWeather update from West Bend Municipal Airport at
New Real Estate Listings in Grafton Area
Search Homes for Sale in Grafton, WI

Weather Quick Facts

  • The highest monthly average temperature in Grafton for July is 70.2 degrees
  • The lowest monthly average temperature in Grafton for January is 21.2 degrees
  • The most monthly precipitation in Grafton occurs in April with 7.5 inches
  • The air quality index in Grafton is 5% worse than the national average
  • The pollution index in Grafton is 16% worse than the national average

Compare Grafton, WI Weather

      vs
      How would you rate the weather in Grafton?
      Write a review to give others more information about this area.
      How would you rate the air quality in Grafton?
      Write a review to give others more information about this area.
      See all Grafton poll results

      Grafton 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°F1.8"
      February15°F30°F22°F1.1"
      March26°F43°F34°F3.6"
      April36°F56°F45°F7.5"
      May47°F68°F56°F4.1"
      June56°F77°F66°F4.1"
      July60°F81°F70°F1.5"
      August59°F78°F68°F4.1"
      September51°F72°F61°F5.1"
      October42°F59°F50°F5.8"
      November31°F46°F38°F2.1"
      December20°F32°F26°F4.5"

      Grafton 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.
      IndexGraftonWisconsinNational
      Air quality index446942
      Pollution index3,171,0802,842,4182,726,193

      Grafton 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

      Grafton air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.020%
      Carbon Tetrachloride0.003%
      Lead0.010%
      Mercury0.100%

      Average monthly Grafton temperature with heat index

      Grafton monthly precipitation with daily maximum

      Grafton monthly snow depth with daily maximum

      Grafton monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Kewaskum, WI4,2243628.0%
      Belgium, WI2,2013824.0%
      Fredonia, WI2,4663824.0%
      Waubeka, WI6243824.0%
      Port Washington, WI11,8814412.0%
      Grafton, WI11,7184412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Webster, MA11,7194020.0%
      Florham Park, NJ11,719512.0%
      Wanaque, NJ11,719512.0%
      Stratford, PE11,716n/a 
      Arlington, TN11,7154510.0%
      Grafton, WI11,7184412.0%
      Source: The Grafton, 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.