As of 16:30 CDT

Weather in Summit, IL

77°Current weather

Summit, Sunday, 11 October, 16:30

Clear. Feels like 78°. High 78°, low 54°.

Pressure29.91 inHg
Wind6.9 mph S
Humidity62%
Visibility6.2 mi
Dew point63°

10-day forecast for Summit, IL: 39° to 85°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

85°
Best day: Monday, October 12
60° · 1.64 in
Worst day: Thursday, October 15

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

Mon, 1285° / 64°0Clear
MorningClear67°feels 67°
AfternoonPartly cloudy83°feels 86°
EveningPartly cloudy78°feels 79°
OvernightOvercast65°feels 65°
85 °Clear

Summit, Monday, 12 October

Clear. High 85°, low 64°.

Pressure29.85 inHg
Wind9.7 mph SW
Humidity63%
Visibility6.2 mi
Dew point64°
Tue, 1380° / 66°0Clear
MorningClear70°feels 71°
AfternoonClear80°feels 82°
EveningClear71°feels 72°
OvernightClear77°feels 78°
80 °Clear

Summit, Tuesday, 13 October

Clear. High 80°, low 66°.

Pressure29.80 inHg
Wind9.1 mph W
Humidity68%
Visibility6.2 mi
Dew point67°
Wed, 1467° / 60°0.5Heavy rain
MorningOvercast63°feels 64°
AfternoonLight rain67°feels 67°
EveningOvercast60°feels 60°
OvernightHeavy rain65°feels 66°
67 °Heavy rain

Summit, Wednesday, 14 October

Heavy rain. High 67°, low 60°.

Pressure30.09 inHg
Wind6 mph NE
Humidity79%
Visibility6.2 mi
Dew point61°
Thu, 1560° / 57°1.64Heavy rain
MorningRain58°feels 57°
AfternoonHeavy rain60°feels 60°
EveningHeavy rain60°feels 60°
OvernightOvercast58°feels 58°
60 °Heavy rain

Summit, Thursday, 15 October

Heavy rain. High 60°, low 57°.

Pressure30.03 inHg
Wind6.1 mph E
Humidity97%
Visibility1.0 mi
Dew point58°
Fri, 1658° / 47°0Mostly clear
MorningMostly clear53°feels 51°
AfternoonMostly clear56°feels 54°
EveningMostly clear50°feels 48°
OvernightMostly clear48°feels 46°
58 °Mostly clear

Summit, Friday, 16 October

Mostly clear. High 58°, low 47°.

Pressure30.39 inHg
Wind15.5 mph N
Humidity50%
Visibility—
Dew point38°
Sat, 1750° / 39°0Clear
MorningClear42°feels 40°
AfternoonClear49°feels 47°
EveningClear47°feels 44°
OvernightClear43°feels 42°
50 °Clear

Summit, Saturday, 17 October

Clear. High 50°, low 39°.

Pressure30.59 inHg
Wind5.3 mph NW
Humidity28%
Visibility—
Dew point16°
Sun, 1858° / 39°0Clear
MorningClear44°feels 38°
AfternoonClear55°feels 51°
EveningClear53°feels 50°
OvernightClear49°feels 45°
58 °Clear

Summit, Sunday, 18 October

Clear. High 58°, low 39°.

Pressure30.45 inHg
Wind14.5 mph SW
Humidity32%
Visibility—
Dew point24°
Mon, 1965° / 47°0Clear
MorningClear51°feels 47°
AfternoonClear62°feels 59°
EveningClear58°feels 56°
OvernightClear54°feels 51°
65 °Clear

Summit, Monday, 19 October

Clear. High 65°, low 47°.

Pressure30.36 inHg
Wind11 mph SW
Humidity26%
Visibility—
Dew point25°
Tue, 2065° / 53°0Overcast
MorningOvercast56°feels 53°
AfternoonOvercast62°feels 60°
EveningOvercast61°feels 59°
OvernightOvercast58°feels 56°
65 °Overcast

Summit, Tuesday, 20 October

Overcast. High 65°, low 53°.

Pressure30.36 inHg
Wind7.5 mph S
Humidity29%
Visibility—
Dew point29°

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.