Grayslake 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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Sun 27 Apr, 2025 Weather in Grayslake

Sunrise: 05:53 AM Sunset: 07:48 PM	Moonrise: 05:29 AM Moonset: 08:09 PM	Max: 18.7 °c	Min: 0.4 °c	Avg: 7.7 °c	Precip: 0.00 mm	Max Wind: 13.3 kph

	Sun 27 0:00 am	Sun 27 3:00 am	Sun 27 6:00 am	Sun 27 9:00 am	Sun 27 12:00 pm	Sun 27 3:00 pm	Sun 27 6:00 pm	Sun 27 9:00 pm
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Temp	1.4°c	0.4°c	0.4°c	3.1°c	13.1°c	18.7°c	14.0°c	9.9°c
Wind	7.2 kmph	7.2 kmph	6.1 kmph	11.2 kmph	13.0 kmph	13.3 kmph	11.5 kmph	11.5 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	67%	94%	100%	100%	31%	4%	13%	16%
Humidity	96%	96%	95%	93%	68%	53%	68%	82%
Pressure	1028 mb	1028 mb	1028 mb	1028 mb	1025 mb	1022 mb	1021 mb	1021 mb

Grayslake Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-2°C / 28°F	-8°C / 17°F	-5°C / 23°F	112 hours	58.55 mm / 2.31 In	8 days	1019 mb / 31 In
February	0°C / 32°F	-7°C / 19°F	-4°C / 26°F	117 hours	64.10 mm / 2.52 In	7 days	1019 mb / 31 In
March	7°C / 44°F	-1°C / 31°F	3°C / 37°F	138 hours	88.94 mm / 3.50 In	7 days	1018 mb / 31 In
April	12°C / 53°F	4°C / 39°F	8°C / 46°F	137 hours	128.60 mm / 5.06 In	9 days	1014 mb / 30 In
May	18°C / 65°F	10°C / 50°F	14°C / 57°F	179 hours	129.24 mm / 5.09 In	10 days	1015 mb / 30 In
June	24°C / 74°F	16°C / 60°F	20°C / 67°F	214 hours	122.89 mm / 4.84 In	9 days	1013 mb / 30 In
July	26°C / 79°F	19°C / 65°F	22°C / 72°F	232 hours	95.85 mm / 3.77 In	7 days	1015 mb / 30 In
August	26°C / 79°F	18°C / 65°F	22°C / 71°F	238 hours	98.94 mm / 3.90 In	8 days	1015 mb / 30 In
September	23°C / 73°F	15°C / 58°F	18°C / 65°F	227 hours	76.96 mm / 3.03 In	6 days	1017 mb / 31 In
October	16°C / 60°F	8°C / 47°F	12°C / 53°F	166 hours	104.50 mm / 4.11 In	7 days	1016 mb / 30 In
November	8°C / 46°F	1°C / 34°F	5°C / 40°F	171 hours	66.38 mm / 2.61 In	5 days	1019 mb / 31 In
December	2°C / 35°F	-4°C / 26°F	-1°C / 30°F	121 hours	66.23 mm / 2.61 In	8 days	1019 mb / 31 In

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