Northbrook Weather History Illinois, United States of America

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Daily and hourly data from 1 Jan 2009 onwards.
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Tue 31 Mar, 2026 Weather in Northbrook

Sunrise: 06:35 AM Sunset: 07:16 PM	Moonrise: 06:07 PM Moonset: 05:51 AM	Max: 19.9 °c	Min: 11.9 °c	Avg: 17.3 °c	Precip: 7.20 mm	Max Wind: 28.4 kph

	Tue 31 0:00 am	Tue 31 3:00 am	Tue 31 6:00 am	Tue 31 9:00 am	Tue 31 12:00 pm	Tue 31 3:00 pm	Tue 31 6:00 pm	Tue 31 9:00 pm
Icon
Temp	18.0°c	17.8°c	16.8°c	17.5°c	19.9°c	19.0°c	17.9°c	12.3°c
Wind	6.5 kmph	9.4 kmph	20.5 kmph	22.0 kmph	28.1 kmph	25.9 kmph	24.1 kmph	19.4 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	1.80 mm	0.60 mm
Cloud	100%	100%	82%	93%	80%	93%	100%	79%
Humidity	84%	88%	90%	84%	75%	86%	88%	79%
Pressure	1009 mb	1008 mb	1008 mb	1006 mb	1005 mb	1006 mb	1008 mb	1014 mb

Northbrook Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-2°C / 29°F	-8°C / 18°F	-5°C / 24°F	115 hours	55.51 mm / 2.19 In	8 days	1019 mb / 31 In
February	0°C / 33°F	-6°C / 21°F	-3°C / 27°F	117 hours	62.75 mm / 2.47 In	7 days	1019 mb / 31 In
March	7°C / 45°F	0°C / 32°F	3°C / 38°F	139 hours	95.68 mm / 3.77 In	7 days	1018 mb / 31 In
April	12°C / 54°F	4°C / 40°F	8°C / 47°F	138 hours	132.14 mm / 5.20 In	9 days	1014 mb / 30 In
May	18°C / 65°F	10°C / 51°F	14°C / 58°F	182 hours	150.59 mm / 5.93 In	10 days	1015 mb / 30 In
June	24°C / 76°F	16°C / 61°F	20°C / 69°F	214 hours	162.11 mm / 6.38 In	10 days	1013 mb / 30 In
July	27°C / 81°F	19°C / 67°F	23°C / 74°F	233 hours	118.27 mm / 4.66 In	8 days	1015 mb / 30 In
August	27°C / 80°F	19°C / 66°F	23°C / 73°F	235 hours	108.79 mm / 4.28 In	8 days	1015 mb / 30 In
September	23°C / 74°F	16°C / 60°F	19°C / 67°F	229 hours	84.71 mm / 3.33 In	6 days	1017 mb / 31 In
October	16°C / 61°F	9°C / 48°F	12°C / 54°F	170 hours	99.13 mm / 3.90 In	7 days	1016 mb / 30 In
November	8°C / 47°F	2°C / 36°F	5°C / 41°F	170 hours	72.81 mm / 2.87 In	5 days	1019 mb / 31 In
December	2°C / 36°F	-3°C / 27°F	0°C / 31°F	121 hours	66.54 mm / 2.62 In	7 days	1019 mb / 31 In

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