Chicago Heights Weather History Illinois, United States of America

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
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Tue 01 Sep, 2026 Weather in Chicago Heights

Sunrise: 06:16 AM Sunset: 07:24 PM	Moonrise: 09:11 PM Moonset: 11:02 AM	Max: 35.2 °c	Min: 24.5 °c	Avg: 29.4 °c	Precip: 4.86 mm	Max Wind: 18.0 kph

	Tue 01 0:00 am	Tue 01 3:00 am	Tue 01 6:00 am	Tue 01 9:00 am	Tue 01 12:00 pm	Tue 01 3:00 pm	Tue 01 6:00 pm	Tue 01 9:00 pm
Icon
Temp	25.6°c	25.6°c	24.5°c	27.3°c	33.0°c	35.2°c	33.7°c	29.1°c
Wind	13.0 kmph	18.0 kmph	12.6 kmph	12.6 kmph	12.6 kmph	14.0 kmph	10.4 kmph	11.2 kmph
Precip	0.00 mm	0.00 mm	0.06 mm	0.32 mm	0.32 mm	0.32 mm	0.32 mm	0.32 mm
Cloud	7%	68%	100%	100%	98%	100%	86%	80%
Humidity	75%	68%	78%	75%	54%	45%	48%	57%
Pressure	1012 mb	1012 mb	1014 mb	1015 mb	1014 mb	1013 mb	1013 mb	1014 mb

Chicago Heights Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-1°C / 30°F	-7°C / 19°F	-4°C / 25°F	112 hours	58.82 mm / 2.32 In	8 days	1020 mb / 31 In
February	1°C / 34°F	-6°C / 22°F	-2°C / 28°F	117 hours	66.56 mm / 2.62 In	7 days	1019 mb / 31 In
March	9°C / 47°F	0°C / 33°F	4°C / 40°F	141 hours	109.63 mm / 4.32 In	8 days	1018 mb / 31 In
April	14°C / 57°F	5°C / 42°F	10°C / 49°F	140 hours	164.22 mm / 6.47 In	9 days	1014 mb / 30 In
May	20°C / 69°F	11°C / 53°F	16°C / 60°F	170 hours	156.59 mm / 6.17 In	10 days	1015 mb / 30 In
June	26°C / 79°F	17°C / 62°F	21°C / 70°F	201 hours	180.23 mm / 7.10 In	9 days	1013 mb / 30 In
July	28°C / 82°F	19°C / 67°F	24°C / 74°F	208 hours	123.78 mm / 4.87 In	8 days	1015 mb / 30 In
August	27°C / 81°F	19°C / 66°F	23°C / 73°F	217 hours	122.05 mm / 4.81 In	8 days	1015 mb / 30 In
September	24°C / 76°F	15°C / 60°F	20°C / 67°F	225 hours	82.64 mm / 3.25 In	6 days	1017 mb / 31 In
October	17°C / 62°F	9°C / 48°F	13°C / 55°F	177 hours	112.86 mm / 4.44 In	8 days	1016 mb / 30 In
November	9°C / 48°F	2°C / 36°F	6°C / 42°F	168 hours	77.26 mm / 3.04 In	6 days	1019 mb / 31 In
December	3°C / 37°F	-3°C / 27°F	0°C / 32°F	119 hours	69.40 mm / 2.73 In	7 days	1019 mb / 31 In

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