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    Windy cities · Illinois

    How windy is Chicago?

    Across a typical year, the wind in Chicago averages about 9.7 mph.

    April is the windiest month, at about 11.1 mph, and August the calmest, at about 7.7 mph. There’s no wind at all about 6% of the time. That makes it the joint 26th windiest of the 124 US cities we track.

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    The strongest average wind in the forecast for the next 48 hours is about 6 mph.

    Chicago, the Windy City, averages about 9.7 mph, which isn’t even close to the top of the 124 cities we track. Amarillo would like a word.

    Chicago weather now

    Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.

    The wind at a glance

    Average wind speed, all year9.7 mph
    Windiest monthApril, 11.1 mph
    Calmest monthAugust, 7.7 mph
    Hours with no wind at all6%

    Average wind speeds across every hour of a typical year, not gusts.

    Cities with about the same wind

    Every city’s wind, windiest first

    More about the weather here

    Source: NOAA U.S. Climate Normals, hourly, 1991 to 2020, station USW00094846. Average wind speed, not gusts.