Mount Prospect 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 Mount Prospect

Sunrise: 06:42 AM Sunset: 06:44 PM	Moonrise: 06:11 PM Moonset: 05:40 AM	Max: 19.3 °c	Min: 15.2 °c	Avg: 16.4 °c	Precip: 0.00 mm	Max Wind: 10.4 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	17.1°c	16.9°c	15.6°c	15.4°c	16.7°c	18.8°c	17.0°c	15.2°c
Wind	6.8 kmph	7.6 kmph	5.4 kmph	7.6 kmph	5.0 kmph	7.9 kmph	9.4 kmph	5.4 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	100%	100%	100%	100%	100%	5%	100%	100%
Humidity	80%	78%	72%	59%	48%	40%	44%	60%
Pressure	1025 mb	1024 mb	1026 mb	1026 mb	1026 mb	1024 mb	1024 mb	1024 mb

Mount Prospect 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	110 hours	52.85 mm / 2.08 In	8 days	1019 mb / 31 In
February	0°C / 33°F	-6°C / 21°F	-3°C / 27°F	111 hours	60.35 mm / 2.38 In	7 days	1019 mb / 31 In
March	7°C / 45°F	0°C / 32°F	3°C / 38°F	136 hours	86.86 mm / 3.42 In	7 days	1018 mb / 31 In
April	13°C / 55°F	5°C / 40°F	9°C / 47°F	134 hours	149.76 mm / 5.90 In	9 days	1014 mb / 30 In
May	19°C / 66°F	11°C / 51°F	15°C / 58°F	168 hours	147.34 mm / 5.80 In	10 days	1015 mb / 30 In
June	25°C / 77°F	16°C / 61°F	21°C / 69°F	198 hours	166.30 mm / 6.55 In	9 days	1013 mb / 30 In
July	28°C / 82°F	19°C / 67°F	23°C / 74°F	215 hours	123.95 mm / 4.88 In	8 days	1015 mb / 30 In
August	27°C / 81°F	19°C / 66°F	23°C / 73°F	216 hours	121.78 mm / 4.79 In	8 days	1015 mb / 30 In
September	24°C / 74°F	16°C / 60°F	19°C / 67°F	227 hours	87.03 mm / 3.43 In	6 days	1017 mb / 31 In
October	16°C / 61°F	9°C / 48°F	12°C / 54°F	167 hours	102.85 mm / 4.05 In	7 days	1016 mb / 30 In
November	8°C / 47°F	2°C / 36°F	5°C / 41°F	168 hours	72.76 mm / 2.86 In	5 days	1019 mb / 31 In
December	2°C / 36°F	-3°C / 26°F	0°C / 31°F	118 hours	66.77 mm / 2.63 In	7 days	1019 mb / 31 In

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