JOLIET, ILLINOIS

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Elevation: 177 meters Latitude: 41 31N Longitude: 088 10W

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DAILY WEATHER AVERAGE - 21 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	18.1 ^°C	24.4 ^°C	11.2 ^°C	32 ^°C (2010)	3 ^°C (2006)
Dewpoint	11.8 ^°C	15.2 ^°C	8.6 ^°C	20 ^°C (2005)	2 ^°C (2007)
Humidity	70.5 ^%	92.9 ^%	42.1 ^%		27 ^% (2007)
Barometer	1015.9 ^hPa	1019 ^hPa	1012.9 ^hPa	1026.1 ^hPa (2008)	1007.8 ^hPa (2014)
Wind Speed	7.2 ^km/h	18.8 ^km/h		27.8 ^km/h (2010)
Wind Gust		33.2 ^km/h		40.7 ^km/h (2014)
Precipitation	4.83 ^mm			13.46 ^mm (2010)

Weather Element	Average
Visibility	14.2 ^km
Wind Direction	SE (132.2 °)

Total Years on Record: 15

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