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Winter is right around the corner, and it could be snowy. Read AccuWeather's 2025-26 U.S. winter forecast. Chevron right

Summit, IL

83°F
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Summit

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Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Thursday, October 2

Day

10/2
86°Hi
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
Very warm with more sunshine than clouds

Max UV Index4.0 (Moderate)

AccuLumen Brightness Index™9 (Very Bright)

WindSE 6 mph

Wind Gusts9 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover32%

Morning

Afternoon

Night

10/2
63°Lo
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Clear

WindSSE 6 mph

Wind Gusts12 mph

Probability of Precipitation2%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover1%

Evening

Overnight

Sun & Moon

11 hrs 43 mins
Rise 6:49 AM
Set 6:32 PM
Waxing Gibbous
Rise 4:27 PM
Set 2:27 AM

Temperature History

10/2
High
Low
Forecast
86°
63°
Average
70°
52°
Last Year
72°
49°
Record
91°
1971
28°
1974

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World North America United States Illinois Summit

Weather Near Summit:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
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