Algonquin 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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Fri 25 Sep, 2026 Weather in Algonquin

Sunrise: 06:43 AM Sunset: 06:45 PM	Moonrise: 06:13 PM Moonset: 05:42 AM	Max: 18.0 °c	Min: 12.1 °c	Avg: 15.4 °c	Precip: 0.40 mm	Max Wind: 11.5 kph

	Fri 25 0:00 am	Fri 25 3:00 am	Fri 25 6:00 am	Fri 25 9:00 am	Fri 25 12:00 pm	Fri 25 3:00 pm	Fri 25 6:00 pm	Fri 25 9:00 pm
Icon
Temp	16.5°c	16.2°c	15.4°c	14.5°c	15.7°c	18.0°c	16.3°c	12.1°c
Wind	8.3 kmph	8.6 kmph	5.8 kmph	7.2 kmph	5.8 kmph	9.4 kmph	10.4 kmph	7.9 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.10 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	100%	100%	100%	100%	94%	31%	100%	99%
Humidity	89%	91%	90%	82%	68%	53%	71%	77%
Pressure	1025 mb	1024 mb	1026 mb	1027 mb	1026 mb	1025 mb	1024 mb	1025 mb

Algonquin Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-2°C / 28°F	-9°C / 15°F	-6°C / 22°F	109 hours	52.62 mm / 2.07 In	7 days	1019 mb / 31 In
February	0°C / 32°F	-8°C / 18°F	-4°C / 25°F	114 hours	57.28 mm / 2.26 In	7 days	1019 mb / 31 In
March	7°C / 45°F	-1°C / 30°F	3°C / 38°F	137 hours	88.75 mm / 3.49 In	7 days	1018 mb / 31 In
April	13°C / 56°F	4°C / 39°F	8°C / 47°F	131 hours	139.94 mm / 5.51 In	8 days	1014 mb / 30 In
May	20°C / 67°F	10°C / 50°F	15°C / 59°F	163 hours	129.33 mm / 5.09 In	9 days	1015 mb / 30 In
June	25°C / 77°F	16°C / 60°F	20°C / 69°F	195 hours	144.57 mm / 5.69 In	8 days	1013 mb / 30 In
July	27°C / 81°F	18°C / 65°F	23°C / 73°F	208 hours	106.96 mm / 4.21 In	7 days	1015 mb / 30 In
August	27°C / 80°F	17°C / 63°F	22°C / 71°F	214 hours	112.18 mm / 4.42 In	7 days	1015 mb / 30 In
September	23°C / 74°F	14°C / 57°F	18°C / 65°F	222 hours	76.68 mm / 3.02 In	6 days	1017 mb / 31 In
October	16°C / 61°F	7°C / 45°F	11°C / 53°F	167 hours	95.59 mm / 3.76 In	7 days	1016 mb / 30 In
November	8°C / 46°F	1°C / 33°F	4°C / 40°F	167 hours	68.82 mm / 2.71 In	5 days	1019 mb / 31 In
December	2°C / 35°F	-4°C / 24°F	-1°C / 29°F	119 hours	64.34 mm / 2.53 In	7 days	1019 mb / 31 In

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