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Get the Chicago, IL local weather forecast by the hour and the next 10 days. ... 14 ° F-10 ° C Dew Point. 13 mi Visibility °F °C. Hourly 10 Days. 8AM 23 ...
The dew point temperature equals the air temperature when the air is saturated with water; in all other cases the dew point will be less than the air temperature. [ 6 ] : 129 In technical terms, the dew point is the temperature at which the water vapor in a sample of air at constant barometric pressure condenses into liquid water at the same ...
The National Weather Service office of Chicago has one of the longest periods of official weather records, dating back to 1870, though all the 1870 and 1871 weather records taken at 181 West Washington Street were lost in the Great Chicago Fire. Of the two major airports located in Chicago, Midway Airport began observations in 1928, and O'Hare ...
Source: NOAA (relative humidity, dew point and sun 1961–1990) [2] [8] [9] Notes ^ a b Mean monthly maxima and minima (i.e. the expected highest and lowest temperature readings at any point during the year or given month) calculated based on data at said location from 1991 to 2020.
Get the Chicago, IL local weather forecast by the hour and the next 10 days.
Get the Chicago, IL local weather forecast by the hour and the next 10 days.
Detailed summary of current weather observations for the local area, consisting of sky condition; actual and apparent temperature (heat index or wind chill values when applicable), and other pertinent data (wind speed/direction/gusts; dew point (1999–2000 and 2003–2022); barometric pressure; humidity; cloud ceiling (1999–2000) and ...
Also dewpoint or dew-point. The temperature to which an air parcel must be cooled, at constant pressure and moisture content, in order for saturation to occur. Continued cooling below the dew point will cause condensation of water droplets if atmospheric conditions are favorable. Dew point is often used as a proxy by which to indicate the ...