Chicago, IL Weather Forecast and Current Conditions

Day		Sky	High / Low	Precip	Wind	Humidity
Sun Jun 28		Clouds Early/Clearing Late Close Hourly	-º / 72º	20%	SE 9 mph	86%
9pm		Partly Cloudy	76º	3%	SE 8 mph	84%
10pm		Partly Cloudy	76º	4%	SE 7 mph	84%
11pm		Mostly Cloudy	75º	5%	SE 7 mph	87%
Mon Jun 29		Partly Cloudy View Hourly	92º / 77º	7%	S 15 mph	67%
12am		Cloudy	74º	5%	SE 9 mph	86%
1am		Cloudy	73º	4%	SE 10 mph	87%
2am		Mostly Cloudy	73º	5%	SE 10 mph	89%
3am		Partly Cloudy	73º	12%	SSE 10 mph	90%
4am		Mostly Cloudy	75º	17%	SSE 8 mph	89%
5am		Partly Cloudy	75º	17%	SSE 8 mph	90%
6am		Partly Cloudy	76º	20%	S 9 mph	89%
7am		Partly Cloudy	76º	7%	S 9 mph	90%
8am		Partly Cloudy	79º	5%	S 10 mph	85%
9am		Partly Cloudy	82º	4%	S 9 mph	78%
10am		Partly Cloudy	85º	2%	S 10 mph	72%
11am		Partly Cloudy	86º	1%	S 10 mph	67%
12pm		Partly Cloudy	87º	1%	S 12 mph	65%
1pm		Partly Cloudy	87º	1%	S 13 mph	63%
2pm		Partly Cloudy	88º	1%	S 13 mph	62%
3pm		Partly Cloudy	89º	1%	S 14 mph	59%
4pm		Mostly Sunny	88º	1%	S 15 mph	58%
5pm		Mostly Sunny	90º	1%	SSW 15 mph	55%
6pm		Mostly Sunny	90º	1%	SSW 15 mph	55%
7pm		Mostly Sunny	89º	1%	SSW 15 mph	56%
8pm		Mostly Sunny	87º	2%	SSW 13 mph	61%
9pm		Clear	85º	2%	SSW 12 mph	65%
10pm		Clear	84º	3%	SSW 11 mph	69%
11pm		Clear	83º	3%	SSW 11 mph	73%
Tue Jun 30		Mostly Sunny View Hourly	93º / 77º	5%	SW 16 mph	62%
12am		Clear	82º	4%	SSW 11 mph	75%
1am		Clear	81º	5%	SSW 10 mph	77%
2am		Clear	80º	5%	SSW 10 mph	79%
3am		Mostly Clear	79º	5%	SSW 9 mph	81%
4am		Mostly Clear	79º	6%	SSW 9 mph	82%
5am		Mostly Clear	78º	6%	SSW 9 mph	84%
6am		Mostly Sunny	78º	6%	SW 9 mph	84%
7am		Partly Cloudy	79º	5%	SW 10 mph	84%
8am		Sunny	80º	4%	SW 11 mph	79%
9am		Mostly Sunny	83º	2%	SW 12 mph	70%
10am		Mostly Sunny	85º	1%	SW 13 mph	66%
11am		Mostly Sunny	87º	1%	SW 13 mph	63%
12pm		Mostly Sunny	89º	0%	SW 13 mph	60%
1pm		Partly Cloudy	90º	0%	SW 13 mph	57%
2pm		Partly Cloudy	91º	0%	SW 13 mph	54%
3pm		Sunny	91º	0%	SW 14 mph	52%
4pm		Sunny	91º	0%	SW 16 mph	53%
5pm		Sunny	92º	0%	SW 16 mph	50%
6pm		Sunny	92º	0%	SW 16 mph	51%
7pm		Sunny	90º	0%	SW 15 mph	53%
8pm		Sunny	88º	1%	SW 14 mph	57%
Wed Jul 1		Sunny	91º / 76º	4%	SW 14 mph	56%
Thu Jul 2		Mostly Sunny	90º / 74º	15%	SW 13 mph	61%
Fri Jul 3		Scattered Thunderstorms	84º / 71º	48%	SW 9 mph	71%
Sat Jul 4		Scattered Thunderstorms	84º / 69º	41%	SW 8 mph	71%
Sun Jul 5		PM Thunderstorms	81º / 68º	49%	WNW 9 mph	75%

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General Weather Conditions in Chicago, IL

Chicago, IL, is located on the extreme southwestern shore of Lake Michigan and in the northeastern portion of the state. The location averages about 18 days each year with maximum temperatures in excess of 90°F (32.2°C). July is the warmest month with an average high of 84°F (28.9°C) and an average minimum of 63°F (17.2°C). January is the coolest month with an average high of 29°F (-2°C) and an average minimum of 14°F (-10°C). The highest temperature on record for Chicago is 104°F (40°C), recorded in June 1988 and July 1995, and the lowest temperature on record is -27°F (-32.8°C), recorded in January 1985. About 132 days each year experience temperatures below 32°F (0°C), and an average twenty days each year records temperatures below 5°F (-15°C). Every month has seen temperatures at or below 41°F (5°C) and every month except June, July and August has recorded temperatures below freezing (0°C).

The average annual precipitation for Chicago is 35.25 inches (895 mm). An annual maximum occurs during the summer, due mainly to convective activity, and a marked dry period occurs during the winter months. Precipitation falls on about 190 days each year. The wettest month is August with 4.10 inches (104 mm), and the driest, February, averages only 1.37 inches (34.8 mm). An average of 37 thunderstorm days occur each year with June, July and August being the most likely months. Snow falls on about 68 days each year and averages about 38 inches (965 mm) each year. January averages about ten inches (254 mm) per year and December averages about eight inches (203 mm) each year. Ten-inch (254 mm) snowfalls in a 24-hour period have occurred in each month December, January, February and April. About seven days each year have a snowfall total greater than 1.5 inches (38 mm), and snow has fallen in every month except June through September. Fog is present on average 131 days each year and is rather evenly distributed throughout the year with a slight maximum during the winter season. (658) The prevailing wind direction in Chicago is the south-southwest. The average wind speed is nine knots. Winter through early spring is the windiest period, and a maximum gust of 73 knots occurred in March 1991.

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