Forest Park 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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Thu 24 Sep, 2026 Weather in Forest Park

Sunrise: 06:40 AM Sunset: 06:45 PM	Moonrise: 05:52 PM Moonset: 04:38 AM	Max: 19.7 °c	Min: 14.9 °c	Avg: 17.1 °c	Precip: 0.00 mm	Max Wind: 14.8 kph

	Thu 24 0:00 am	Thu 24 3:00 am	Thu 24 6:00 am	Thu 24 9:00 am	Thu 24 12:00 pm	Thu 24 3:00 pm	Thu 24 6:00 pm	Thu 24 9:00 pm
Icon
Temp	15.6°c	15.2°c	14.9°c	15.6°c	18.6°c	19.7°c	18.3°c	17.9°c
Wind	13.7 kmph	13.7 kmph	13.3 kmph	12.1 kmph	14.8 kmph	11.5 kmph	9.0 kmph	8.3 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	55%	10%	66%	42%	5%	51%	100%	100%
Humidity	64%	62%	64%	66%	56%	57%	66%	70%
Pressure	1027 mb	1026 mb	1026 mb	1027 mb	1027 mb	1025 mb	1025 mb	1026 mb

Forest Park 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	115 hours	58.98 mm / 2.32 In	8 days	1019 mb / 31 In
February	1°C / 34°F	-6°C / 22°F	-2°C / 28°F	117 hours	65.90 mm / 2.59 In	7 days	1019 mb / 31 In
March	8°C / 46°F	0°C / 33°F	4°C / 39°F	141 hours	100.29 mm / 3.95 In	7 days	1018 mb / 31 In
April	13°C / 55°F	5°C / 41°F	9°C / 48°F	140 hours	156.02 mm / 6.14 In	9 days	1014 mb / 30 In
May	19°C / 66°F	11°C / 52°F	15°C / 59°F	175 hours	146.85 mm / 5.78 In	9 days	1015 mb / 30 In
June	25°C / 77°F	17°C / 62°F	21°C / 69°F	206 hours	161.10 mm / 6.34 In	8 days	1013 mb / 30 In
July	28°C / 82°F	20°C / 68°F	24°C / 75°F	220 hours	125.87 mm / 4.96 In	8 days	1015 mb / 30 In
August	27°C / 81°F	19°C / 67°F	23°C / 74°F	229 hours	128.90 mm / 5.07 In	7 days	1015 mb / 30 In
September	24°C / 75°F	16°C / 61°F	20°C / 68°F	230 hours	90.15 mm / 3.55 In	6 days	1017 mb / 31 In
October	16°C / 62°F	10°C / 49°F	13°C / 55°F	173 hours	110.59 mm / 4.35 In	7 days	1016 mb / 30 In
November	9°C / 48°F	3°C / 37°F	6°C / 42°F	168 hours	74.86 mm / 2.95 In	5 days	1019 mb / 31 In
December	3°C / 37°F	-3°C / 27°F	0°C / 32°F	120 hours	72.61 mm / 2.86 In	7 days	1019 mb / 31 In

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