Average wind speed in Westmont (IL)
The mean monthly wind speed over the year in Westmont (Illinois), the United States of America (meters per second).
Throughout the year, wind speeds average from 4 m/s during June, July, August and September and increase to 6 m/s in January, March and April.
Forecast for Westmont (IL)
overcast and small chance of slight rain
overcast and heavy rain
partly cloudy and no rain