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As of 12:03 CDT

Weather in Summum, IL

73°Current weather

Summum, Thursday, 29 October, 12:03

Overcast. Feels like 73°. High 73°, low 59°.

Pressure30.12 inHg
Wind8 mph W
Humidity63%
Visibility6.2 mi
Dew point59°

10-day forecast for Summum, IL: 34° to 73°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.

73°
Best day: Thursday, October 29
67° · 0.48 in
Worst day: Tuesday, November 3

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

Fri, 3071° / 53°0.14Rain
MorningOvercast54°feels 53°
AfternoonOvercast69°feels 68°
EveningLight rain63°feels 62°
OvernightClear57°feels 55°
71 °Rain

Summum, Friday, 30 October

Rain. High 71°, low 53°.

Pressure30.30 inHg
Wind7.7 mph E
Humidity51%
Visibility6.2 mi
Dew point43°
Sat, 3167° / 58°0Overcast
MorningOvercast58°feels 57°
AfternoonOvercast67°feels 66°
EveningOvercast62°feels 60°
OvernightOvercast59°feels 57°
67 °Overcast

Summum, Saturday, 31 October

Overcast. High 67°, low 58°.

Pressure30.27 inHg
Wind4.7 mph SE
Humidity65%
Visibility6.2 mi
Dew point53°
Sun, 0170° / 56°0.09Light rain
MorningOvercast57°feels 56°
AfternoonPartly cloudy70°feels 69°
EveningOvercast63°feels 63°
OvernightOvercast58°feels 57°
70 °Light rain

Summum, Sunday, 1 November

Light rain. High 70°, low 56°.

Pressure30.27 inHg
Wind7 mph SE
Humidity84%
Visibility6.2 mi
Dew point58°
Mon, 0267° / 59°0.03Light rain
MorningLight rain59°feels 59°
AfternoonLight rain66°feels 66°
EveningLight rain64°feels 64°
OvernightOvercast62°feels 61°
67 °Light rain

Summum, Monday, 2 November

Light rain. High 67°, low 59°.

Pressure30.06 inHg
Wind12.1 mph S
Humidity78%
Visibility6.2 mi
Dew point57°
Tue, 0367° / 62°0.48Light rain
MorningLight rain63°feels 63°
AfternoonLight rain65°feels 66°
EveningLight rain66°feels 67°
OvernightLight rain66°feels 66°
67 °Light rain

Summum, Tuesday, 3 November

Light rain. High 67°, low 62°.

Pressure29.85 inHg
Wind15.1 mph S
Humidity94%
Visibility—
Dew point63°
Wed, 0466° / 59°0.35Rain
MorningRain64°feels 64°
AfternoonRain62°feels 63°
EveningRain60°feels 60°
OvernightRain60°feels 60°
66 °Rain

Summum, Wednesday, 4 November

Rain. High 66°, low 59°.

Pressure29.74 inHg
Wind12 mph S
Humidity94%
Visibility—
Dew point61°
Thu, 0559° / 52°0.06Light rain
MorningLight rain56°feels 56°
AfternoonLight rain57°feels 56°
EveningLight rain54°feels 53°
OvernightLight rain53°feels 52°
59 °Light rain

Summum, Thursday, 5 November

Light rain. High 59°, low 52°.

Pressure29.59 inHg
Wind10.8 mph W
Humidity87%
Visibility—
Dew point53°
Fri, 0651° / 41°0.05Light rain
MorningLight rain50°feels 47°
AfternoonLight rain46°feels 41°
EveningLight rain43°feels 40°
OvernightLight rain43°feels 39°
51 °Light rain

Summum, Friday, 6 November

Light rain. High 51°, low 41°.

Pressure29.85 inHg
Wind12.6 mph N
Humidity82%
Visibility—
Dew point42°
Sat, 0750° / 34°0Mostly clear
MorningMostly clear38°feels 33°
AfternoonMostly clear48°feels 44°
EveningMostly clear42°feels 38°
OvernightMostly clear39°feels 35°
50 °Mostly clear

Summum, Saturday, 7 November

Mostly clear. High 50°, low 34°.

Pressure30.24 inHg
Wind8.5 mph N
Humidity49%
Visibility—
Dew point28°

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.