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As of 19:57 CDT

Weather in Summit, IL

57°Current weather

Summit, Tuesday, 20 October, 19:57

Clear. Feels like 56°. High 69°, low 42°.

Pressure30.33 inHg
Wind3.4 mph E
Humidity73%
Visibility6.2 mi
Dew point49°

10-day forecast for Summit, IL: 39° to 75°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

75°
Best day: Thursday, October 22
50° · 0.44 in
Worst day: Wednesday, October 28

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

Wed, 2173° / 42°0Clear
MorningClear48°feels 47°
AfternoonClear71°feels 70°
EveningClear54°feels 52°
OvernightClear47°feels 46°
73 °Clear

Summit, Wednesday, 21 October

Clear. High 73°, low 42°.

Pressure30.27 inHg
Wind3.1 mph SW
Humidity54%
Visibility6.2 mi
Dew point48°
Thu, 2275° / 46°0Clear
MorningClear52°feels 51°
AfternoonClear69°feels 68°
EveningClear58°feels 58°
OvernightClear49°feels 48°
75 °Clear

Summit, Thursday, 22 October

Clear. High 75°, low 46°.

Pressure30.27 inHg
Wind2.3 mph NE
Humidity64%
Visibility6.2 mi
Dew point54°
Fri, 2367° / 52°0Clear
MorningOvercast52°feels 52°
AfternoonMostly clear67°feels 66°
EveningClear58°feels 58°
OvernightOvercast55°feels 55°
67 °Clear

Summit, Friday, 23 October

Clear. High 67°, low 52°.

Pressure30.36 inHg
Wind2.9 mph SE
Humidity70%
Visibility6.2 mi
Dew point54°
Sat, 2467° / 49°0Overcast
MorningOvercast52°feels 51°
AfternoonOvercast66°feels 65°
EveningOvercast59°feels 58°
OvernightOvercast53°feels 52°
67 °Overcast

Summit, Saturday, 24 October

Overcast. High 67°, low 49°.

Pressure30.39 inHg
Wind6.5 mph S
Humidity64%
Visibility6.2 mi
Dew point50°
Sun, 2570° / 53°0Overcast
MorningOvercast57°feels 56°
AfternoonOvercast67°feels 66°
EveningOvercast62°feels 61°
OvernightOvercast58°feels 57°
70 °Overcast

Summit, Sunday, 25 October

Overcast. High 70°, low 53°.

Pressure30.33 inHg
Wind6.1 mph S
Humidity59%
Visibility—
Dew point51°
Mon, 2667° / 54°0Overcast
MorningOvercast59°feels 58°
AfternoonOvercast65°feels 64°
EveningOvercast55°feels 53°
OvernightOvercast54°feels 53°
67 °Overcast

Summit, Monday, 26 October

Overcast. High 67°, low 54°.

Pressure30.18 inHg
Wind10.9 mph NE
Humidity52%
Visibility—
Dew point47°
Tue, 2753° / 48°0.29Light rain
MorningLight rain49°feels 45°
AfternoonLight rain49°feels 45°
EveningLight rain49°feels 46°
OvernightLight rain49°feels 47°
53 °Light rain

Summit, Tuesday, 27 October

Light rain. High 53°, low 48°.

Pressure30.30 inHg
Wind10 mph NE
Humidity85%
Visibility—
Dew point44°
Wed, 2850° / 42°0.44Rain
MorningRain49°feels 46°
AfternoonRain44°feels 38°
EveningRain43°feels 36°
OvernightRain45°feels 40°
50 °Rain

Summit, Wednesday, 28 October

Rain. High 50°, low 42°.

Pressure30.03 inHg
Wind12.8 mph NW
Humidity84%
Visibility—
Dew point41°
Thu, 2948° / 39°0Clear
MorningClear42°feels 37°
AfternoonClear47°feels 43°
EveningClear45°feels 41°
OvernightClear42°feels 38°
48 °Clear

Summit, Thursday, 29 October

Clear. High 48°, low 39°.

Pressure30.21 inHg
Wind10 mph NW
Humidity36%
Visibility—
Dew point21°

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.