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As of 05:16 CDT

Weather in Summit, IL

40°Current weather

Summit, Saturday, 17 October, 05:16

Clear. Feels like 34°. High 54°, low 39°.

Pressure30.45 inHg
Wind9.2 mph NW
Humidity77%
Visibility6.2 mi
Dew point33°

10-day forecast for Summit, IL: 39° to 76°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.

76°
Best day: Sunday, October 25
62° · 0.35 in
Worst day: Monday, October 26

Tap any day below to see morning, afternoon, evening and overnight.

Sun, 1860° / 42°0Clear
MorningClear44°feels 39°
AfternoonClear59°feels 57°
EveningClear52°feels 50°
OvernightClear44°feels 40°
60 °Clear

Summit, Sunday, 18 October

Clear. High 60°, low 42°.

Pressure30.45 inHg
Wind10.8 mph SW
Humidity58%
Visibility6.2 mi
Dew point42°
Mon, 1963° / 42°0Mostly clear
MorningClear44°feels 42°
AfternoonPartly cloudy63°feels 61°
EveningOvercast53°feels 52°
OvernightClear47°feels 43°
63 °Mostly clear

Summit, Monday, 19 October

Mostly clear. High 63°, low 42°.

Pressure30.42 inHg
Wind3.9 mph S
Humidity59%
Visibility6.2 mi
Dew point45°
Tue, 2065° / 45°0Clear
MorningOvercast45°feels 45°
AfternoonMostly clear64°feels 63°
EveningClear55°feels 54°
OvernightOvercast48°feels 48°
65 °Clear

Summit, Tuesday, 20 October

Clear. High 65°, low 45°.

Pressure30.39 inHg
Wind2.1 mph E
Humidity54%
Visibility6.2 mi
Dew point46°
Wed, 2167° / 49°0Clear
MorningClear54°feels 53°
AfternoonClear65°feels 64°
EveningClear59°feels 58°
OvernightOvercast52°feels 51°
67 °Clear

Summit, Wednesday, 21 October

Clear. High 67°, low 49°.

Pressure30.27 inHg
Wind4.2 mph SW
Humidity54%
Visibility—
Dew point47°
Thu, 2268° / 49°0Clear
MorningClear54°feels 54°
AfternoonClear66°feels 65°
EveningClear61°feels 60°
OvernightClear57°feels 56°
68 °Clear

Summit, Thursday, 22 October

Clear. High 68°, low 49°.

Pressure30.24 inHg
Wind3.9 mph NE
Humidity55%
Visibility—
Dew point48°
Fri, 2374° / 58°0Overcast
MorningOvercast62°feels 59°
AfternoonOvercast71°feels 69°
EveningOvercast68°feels 66°
OvernightOvercast64°feels 62°
74 °Overcast

Summit, Friday, 23 October

Overcast. High 74°, low 58°.

Pressure30.21 inHg
Wind5.6 mph S
Humidity28%
Visibility—
Dew point35°
Sat, 2471° / 60°0Overcast
MorningOvercast63°feels 61°
AfternoonOvercast69°feels 68°
EveningOvercast67°feels 65°
OvernightOvercast64°feels 62°
71 °Overcast

Summit, Saturday, 24 October

Overcast. High 71°, low 60°.

Pressure30.21 inHg
Wind8.3 mph S
Humidity33%
Visibility—
Dew point38°
Sun, 2576° / 61°0Overcast
MorningOvercast65°feels 63°
AfternoonOvercast73°feels 72°
EveningOvercast70°feels 69°
OvernightOvercast67°feels 65°
76 °Overcast

Summit, Sunday, 25 October

Overcast. High 76°, low 61°.

Pressure30.00 inHg
Wind9.3 mph SW
Humidity31%
Visibility—
Dew point40°
Mon, 2662° / 45°0.35Rain
MorningRain51°feels 49°
AfternoonRain47°feels 43°
EveningRain47°feels 42°
OvernightRain48°feels 44°
62 °Rain

Summit, Monday, 26 October

Rain. High 62°, low 45°.

Pressure30.09 inHg
Wind9.3 mph NW
Humidity75%
Visibility—
Dew point41°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Summit, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.