TODAY JUL22
TEMPERATURE68
HUMIDITY87
PRESSURE29.91
WIND COND.
  • 7759Sun30%20%
  • 8463Mon
  • 8462Tue
  • 8361Wed
  • 7759Thu20%
daynightWeather update from Madison, Dane County Regional-Truax Field at

Greystone 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-19°F52°F21°F1.5"
February-17°F54°F22°F1.8"
March0°F79°F34°F2.8"
April19°F85°F48°F4.8"
May28°F90°F58°F3.3"
June40°F94°F69°F4.8"
July46°F95°F72°F3.8"
August39°F93°F70°F5.3"
September32°F92°F63°F2.9"
October23°F87°F50°F2.8"
November10°F72°F39°F1.8"
December-10°F52°F23°F2.5"

Did you know?

  • The highest monthly average temperature in Greystone for July is 72 degrees.
  • The lowest monthly average temperature in Greystone for January is 21 degrees.
  • The most monthly precipitation in Greystone occurs in August with 5.3 inches.
  • The air quality index in Greystone is 15% better than the national average.
  • The pollution index in Greystone is 65% better than the national average.

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Compare Madison, WI Weather To Other Cities

Greystone 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.
IndexGreystoneMadisonWisconsin
Air quality index424269
Pollution index1,728,8201,728,8203,316,877

Greystone air quality information

MeasurementTotal
Days measured365
Days with good air quality250
Days with moderate air quality115
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Greystone air quality information

PollutantTotal
Arsenic0.003%
Benzene0.030%
Carbon Tetrachloride0.001%
Lead0.001%
Mercury0.002%

Average monthly Greystone temperature with heat index

Greystone monthly precipitation with daily maximum

Greystone monthly snow depth with daily maximum

Greystone monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Prairie du Sac, WI4,2183628%
Sauk City, WI3,4673628%
Blue Mounds, WI8654216%
Fitchburg, WI27,2544216%
Middleton, WI18,7074216%
Madison, WI246,0344216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Norfolk, VA245,7243922%
Irvine, CA246,9928570%
Lubbock, TX244,5072648%
Chandler, AZ242,1317448%
Laredo, TX251,6713824%
Madison, WI246,0344216%
Source: The Greystone, Madison, 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.