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As of 13:57 CDT

Weather in Summum, IL

65°Current weather

Summum, Friday, 30 October, 13:57

Overcast. Feels like 63°. High 65°, low 51°.

Pressure30.27 inHg
Wind10.6 mph SE
Humidity55%
Visibility3.8 mi
Dew point48°

10-day forecast for Summum, IL: 40° to 72°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

72°
Best day: Sunday, November 1
64° · 0.91 in
Worst day: Wednesday, November 4

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

Sat, 3171° / 56°0Overcast
MorningOvercast57°feels 55°
AfternoonOvercast70°feels 69°
EveningOvercast62°feels 61°
OvernightOvercast58°feels 56°
71 °Overcast

Summum, Saturday, 31 October

Overcast. High 71°, low 56°.

Pressure30.30 inHg
Wind4.9 mph SE
Humidity49%
Visibility6.2 mi
Dew point48°
Sun, 0172° / 57°0Overcast
MorningOvercast58°feels 58°
AfternoonPartly cloudy70°feels 70°
EveningOvercast61°feels 60°
OvernightOvercast57°feels 56°
72 °Overcast

Summum, Sunday, 1 November

Overcast. High 72°, low 57°.

Pressure30.27 inHg
Wind9.9 mph S
Humidity59%
Visibility6.2 mi
Dew point54°
Mon, 0268° / 57°0Overcast
MorningOvercast58°feels 57°
AfternoonOvercast67°feels 67°
EveningOvercast66°feels 66°
OvernightOvercast57°feels 57°
68 °Overcast

Summum, Monday, 2 November

Overcast. High 68°, low 57°.

Pressure30.06 inHg
Wind11.4 mph S
Humidity78%
Visibility6.2 mi
Dew point56°
Tue, 0368° / 64°0.35Light rain
MorningOvercast65°feels 65°
AfternoonLight rain67°feels 68°
EveningLight rain65°feels 65°
OvernightOvercast65°feels 65°
68 °Light rain

Summum, Tuesday, 3 November

Light rain. High 68°, low 64°.

Pressure29.85 inHg
Wind11.7 mph S
Humidity87%
Visibility6.2 mi
Dew point63°
Wed, 0464° / 57°0.91Heavy rain
MorningHeavy rain59°feels 59°
AfternoonHeavy rain62°feels 61°
EveningHeavy rain59°feels 58°
OvernightHeavy rain57°feels 57°
64 °Heavy rain

Summum, Wednesday, 4 November

Heavy rain. High 64°, low 57°.

Pressure29.68 inHg
Wind11.2 mph NW
Humidity70%
Visibility—
Dew point52°
Thu, 0563° / 54°0Light rain
MorningLight rain56°feels 55°
AfternoonLight rain58°feels 57°
EveningLight rain55°feels 54°
OvernightLight rain55°feels 53°
63 °Light rain

Summum, Thursday, 5 November

Light rain. High 63°, low 54°.

Pressure29.74 inHg
Wind14.7 mph NW
Humidity73%
Visibility—
Dew point50°
Fri, 0656° / 50°0Overcast
MorningOvercast53°feels 51°
AfternoonOvercast56°feels 54°
EveningOvercast53°feels 51°
OvernightOvercast52°feels 50°
56 °Overcast

Summum, Friday, 6 November

Overcast. High 56°, low 50°.

Pressure29.91 inHg
Wind10.8 mph N
Humidity60%
Visibility—
Dew point42°
Sat, 0755° / 45°0Overcast
MorningOvercast51°feels 48°
AfternoonOvercast54°feels 51°
EveningOvercast47°feels 43°
OvernightOvercast46°feels 42°
55 °Overcast

Summum, Saturday, 7 November

Overcast. High 55°, low 45°.

Pressure30.12 inHg
Wind9.8 mph NE
Humidity52%
Visibility—
Dew point37°
Sun, 0852° / 40°0Overcast
MorningOvercast43°feels 39°
AfternoonOvercast50°feels 47°
EveningOvercast47°feels 42°
OvernightOvercast45°feels 40°
52 °Overcast

Summum, Sunday, 8 November

Overcast. High 52°, low 40°.

Pressure30.27 inHg
Wind12.5 mph E
Humidity41%
Visibility—
Dew point27°

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.