TODAY NOV21
TEMPERATURE29
HUMIDITY90
PRESSURE100410
WIND COND.280 24.1
  • 4430Fri
  • 4332Sat
  • 4736Sun20%
  • 4324Mon30%
  • 3421Tue
daynightWeather update from Watertown at
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Weather Quick Facts

  • The highest monthly average temperature in Rockdale for July is 73.1 degrees
  • The lowest monthly average temperature in Rockdale for January is 20.4 degrees
  • The most monthly precipitation in Rockdale occurs in June with 5.9 inches
  • The air quality index in Rockdale is 12% better than the national average
  • The pollution index in Rockdale is 372% worse than the national average

Compare Rockdale, WI Weather

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      Rockdale 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
      January11°F30°F20°F1.5"
      February13°F33°F23°F1.5"
      March24°F47°F35°F2.6"
      April35°F61°F48°F4.4"
      May46°F73°F59°F4.0"
      June57°F81°F69°F5.9"
      July60°F85°F73°F4.9"
      August59°F83°F71°F4.8"
      September51°F77°F63°F3.5"
      October40°F63°F51°F3.2"
      November28°F49°F38°F2.1"
      December17°F34°F25°F2.3"

      Rockdale 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.
      IndexRockdaleWisconsinNational
      Air quality index376942
      Pollution index12,871,1002,842,4182,726,193

      Rockdale air quality

      MeasurementTotal
      Days measured205
      Days with good air quality189
      Days with moderate air quality15
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.040%
      Benzene0.160%
      Carbon Tetrachloride0.030%
      Lead0.010%
      Mercury0.030%

      Average monthly Rockdale temperature with heat index

      Rockdale monthly precipitation with daily maximum

      Rockdale monthly snow depth with daily maximum

      Rockdale monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Lake Koshkonong, WI9583726.0%
      Lake Mills, WI5,9363726.0%
      Waterloo, WI3,3343726.0%
      Fort Atkinson, WI12,4553726.0%
      Lake Ripley, WI1,9273726.0%
      Rockdale, WI2103726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Cantwell, AK2103824.0%
      Shungnak, AK2103824.0%
      White Hills, AZ210548.0%
      Monson, CA2106632.0%
      Point Reyes Station, CA2103432.0%
      Rockdale, WI2103726.0%
      Source: The Rockdale, 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.