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As of 15:29 CDT

Weather in Summit, IL

84°Current weather

Summit, Saturday, 8 August, 15:29

Clear. Feels like 87°. High 85°, low 69°.

Pressure29.97 inHg
Wind8.9 mph W
Humidity58%
Visibility6.2 mi
Dew point66°

10-day forecast for Summit, IL: 61° to 88°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.

85°
Best day: Saturday, August 8
84° · 1.42 in
Worst day: Sunday, August 9

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

Sun, 0984° / 66°1.42Heavy rain
MorningMostly clear72°feels 72°
AfternoonHeavy rain76°feels 78°
EveningRain79°feels 79°
OvernightClear69°feels 69°
84 °Heavy rain

Summit, Sunday, 9 August

Heavy rain. High 84°, low 66°.

Pressure29.88 inHg
Wind11.1 mph NW
Humidity93%
Visibility0.5 mi
Dew point71°
Mon, 1084° / 73°0.07Light rain
MorningLight rain73°feels 74°
AfternoonOvercast79°feels 79°
EveningLight rain77°feels 79°
OvernightPartly cloudy76°feels 77°
84 °Light rain

Summit, Monday, 10 August

Light rain. High 84°, low 73°.

Pressure29.88 inHg
Wind4.3 mph SE
Humidity62%
Visibility6.2 mi
Dew point69°
Tue, 1188° / 73°0.14Light rain
MorningMostly clear78°feels 79°
AfternoonOvercast83°feels 87°
EveningLight rain75°feels 76°
OvernightClear74°feels 76°
88 °Light rain

Summit, Tuesday, 11 August

Light rain. High 88°, low 73°.

Pressure29.80 inHg
Wind9.5 mph W
Humidity60%
Visibility6.2 mi
Dew point70°
Wed, 1286° / 70°0.02Light rain
MorningPartly cloudy72°feels 73°
AfternoonOvercast82°feels 84°
EveningLight rain80°feels 83°
OvernightMostly clear71°feels 73°
86 °Light rain

Summit, Wednesday, 12 August

Light rain. High 86°, low 70°.

Pressure29.83 inHg
Wind5.7 mph NE
Humidity65%
Visibility6.2 mi
Dew point65°
Thu, 1372° / 65°0.05Light rain
MorningLight rain68°feels 69°
AfternoonLight rain71°feels 71°
EveningLight rain68°feels 68°
OvernightLight rain66°feels 65°
72 °Light rain

Summit, Thursday, 13 August

Light rain. High 72°, low 65°.

Pressure29.94 inHg
Wind10.3 mph NE
Humidity64%
Visibility—
Dew point58°
Fri, 1476° / 62°0Clear
MorningClear67°feels 66°
AfternoonClear75°feels 74°
EveningClear69°feels 68°
OvernightClear65°feels 64°
76 °Clear

Summit, Friday, 14 August

Clear. High 76°, low 62°.

Pressure30.18 inHg
Wind10.1 mph NE
Humidity39%
Visibility—
Dew point48°
Sat, 1579° / 61°0Overcast
MorningOvercast66°feels 65°
AfternoonOvercast77°feels 76°
EveningOvercast73°feels 72°
OvernightOvercast67°feels 66°
79 °Overcast

Summit, Saturday, 15 August

Overcast. High 79°, low 61°.

Pressure30.30 inHg
Wind6.4 mph SW
Humidity36%
Visibility—
Dew point47°
Sun, 1680° / 62°0Mostly clear
MorningMostly clear67°feels 66°
AfternoonMostly clear78°feels 78°
EveningMostly clear75°feels 75°
OvernightMostly clear69°feels 69°
80 °Mostly clear

Summit, Sunday, 16 August

Mostly clear. High 80°, low 62°.

Pressure30.18 inHg
Wind9.6 mph SW
Humidity45%
Visibility—
Dew point54°
Mon, 1778° / 69°0.08Light rain
MorningLight rain71°feels 72°
AfternoonLight rain74°feels 75°
EveningLight rain76°feels 77°
OvernightLight rain72°feels 73°
78 °Light rain

Summit, Monday, 17 August

Light rain. High 78°, low 69°.

Pressure30.00 inHg
Wind5 mph S
Humidity80%
Visibility—
Dew point67°

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.