As of 07:04 CDT

Weather in Summum, IL

52°Current weather

Summum, Sunday, 25 October, 07:04

Overcast. Feels like 51°. High 76°, low 51°.

Pressure30.39 inHg
Wind4.4 mph S
Humidity82%
Visibility6.2 mi
Dew point46°

10-day forecast for Summum, IL: 50° to 79°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

76°
Best day: Sunday, October 25
72° · 0.78 in
Worst day: Monday, November 2

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

Mon, 2675° / 51°0Overcast
MorningOvercast54°feels 53°
AfternoonOvercast75°feels 74°
EveningClear61°feels 60°
OvernightOvercast54°feels 53°
75 °Overcast

Summum, Monday, 26 October

Overcast. High 75°, low 51°.

Pressure30.30 inHg
Wind3.3 mph SE
Humidity53%
Visibility6.2 mi
Dew point52°
Tue, 2771° / 53°0.02Light rain
MorningOvercast54°feels 54°
AfternoonOvercast71°feels 70°
EveningOvercast62°feels 61°
OvernightOvercast55°feels 54°
71 °Light rain

Summum, Tuesday, 27 October

Light rain. High 71°, low 53°.

Pressure30.21 inHg
Wind6.6 mph S
Humidity58%
Visibility6.2 mi
Dew point51°
Wed, 2875° / 54°0Clear
MorningClear54°feels 54°
AfternoonClear74°feels 73°
EveningClear66°feels 65°
OvernightClear57°feels 57°
75 °Clear

Summum, Wednesday, 28 October

Clear. High 75°, low 54°.

Pressure30.18 inHg
Wind9.1 mph S
Humidity54%
Visibility6.2 mi
Dew point53°
Thu, 2979° / 59°0.07Light rain
MorningLight rain64°feels 64°
AfternoonLight rain75°feels 75°
EveningLight rain66°feels 67°
OvernightClear61°feels 61°
79 °Light rain

Summum, Thursday, 29 October

Light rain. High 79°, low 59°.

Pressure30.09 inHg
Wind11 mph SW
Humidity52%
Visibility—
Dew point55°
Fri, 3078° / 59°0.02Light rain
MorningLight rain63°feels 64°
AfternoonLight rain74°feels 74°
EveningLight rain67°feels 67°
OvernightLight rain64°feels 63°
78 °Light rain

Summum, Friday, 30 October

Light rain. High 78°, low 59°.

Pressure30.12 inHg
Wind8.5 mph S
Humidity64%
Visibility—
Dew point60°
Sat, 3174° / 63°0Overcast
MorningOvercast66°feels 65°
AfternoonOvercast73°feels 72°
EveningOvercast66°feels 65°
OvernightOvercast65°feels 64°
74 °Overcast

Summum, Saturday, 31 October

Overcast. High 74°, low 63°.

Pressure30.09 inHg
Wind9.7 mph S
Humidity46%
Visibility—
Dew point51°
Sun, 0170° / 60°0.48Rain
MorningRain62°feels 62°
AfternoonRain64°feels 64°
EveningRain65°feels 65°
OvernightRain63°feels 63°
70 °Rain

Summum, Sunday, 1 November

Rain. High 70°, low 60°.

Pressure30.00 inHg
Wind12.6 mph SE
Humidity89%
Visibility—
Dew point60°
Mon, 0272° / 63°0.78Rain
MorningRain64°feels 65°
AfternoonRain68°feels 68°
EveningRain69°feels 70°
OvernightRain66°feels 67°
72 °Rain

Summum, Monday, 2 November

Rain. High 72°, low 63°.

Pressure29.74 inHg
Wind18.8 mph SW
Humidity87%
Visibility—
Dew point63°
Tue, 0365° / 50°0.06Light rain
MorningLight rain59°feels 59°
AfternoonLight rain60°feels 59°
EveningLight rain53°feels 50°
OvernightLight rain51°feels 47°
65 °Light rain

Summum, Tuesday, 3 November

Light rain. High 65°, low 50°.

Pressure29.77 inHg
Wind16.7 mph W
Humidity62%
Visibility—
Dew point48°

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 Summum, 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.