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As of 09:54 CDT

Weather in Summum, IL

62°Current weather

Summum, Wednesday, 28 October, 09:54

Overcast. Feels like 61°. High 75°, low 54°.

Pressure30.21 inHg
Wind6.8 mph S
Humidity66%
Visibility6.2 mi
Dew point50°

10-day forecast for Summum, IL: 45° to 75°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.

75°
Best day: Wednesday, October 28
62° · 1.36 in
Worst day: Wednesday, November 4

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

Thu, 2974° / 55°0Overcast
MorningMostly clear56°feels 55°
AfternoonOvercast73°feels 73°
EveningClear63°feels 64°
OvernightPartly cloudy58°feels 57°
74 °Overcast

Summum, Thursday, 29 October

Overcast. High 74°, low 55°.

Pressure30.12 inHg
Wind7.7 mph W
Humidity55%
Visibility6.2 mi
Dew point55°
Fri, 3069° / 49°0.14Rain
MorningOvercast50°feels 49°
AfternoonOvercast69°feels 69°
EveningOvercast62°feels 62°
OvernightPartly cloudy53°feels 52°
69 °Rain

Summum, Friday, 30 October

Rain. High 69°, low 49°.

Pressure30.27 inHg
Wind7 mph E
Humidity58%
Visibility6.2 mi
Dew point49°
Sat, 3169° / 58°0Overcast
MorningOvercast58°feels 58°
AfternoonOvercast69°feels 69°
EveningOvercast63°feels 63°
OvernightOvercast60°feels 60°
69 °Overcast

Summum, Saturday, 31 October

Overcast. High 69°, low 58°.

Pressure30.24 inHg
Wind3.6 mph SW
Humidity71%
Visibility6.2 mi
Dew point59°
Sun, 0172° / 57°0Clear
MorningOvercast59°feels 58°
AfternoonClear69°feels 68°
EveningClear63°feels 63°
OvernightOvercast59°feels 58°
72 °Clear

Summum, Sunday, 1 November

Clear. High 72°, low 57°.

Pressure30.24 inHg
Wind9.1 mph E
Humidity51%
Visibility—
Dew point49°
Mon, 0270° / 56°0.05Light rain
MorningLight rain60°feels 59°
AfternoonLight rain67°feels 67°
EveningLight rain66°feels 66°
OvernightLight rain63°feels 63°
70 °Light rain

Summum, Monday, 2 November

Light rain. High 70°, low 56°.

Pressure30.09 inHg
Wind12.7 mph SE
Humidity68%
Visibility—
Dew point55°
Tue, 0364° / 61°0.28Rain
MorningRain63°feels 64°
AfternoonRain64°feels 64°
EveningRain62°feels 62°
OvernightRain61°feels 62°
64 °Rain

Summum, Tuesday, 3 November

Rain. High 64°, low 61°.

Pressure29.80 inHg
Wind12.3 mph SE
Humidity90%
Visibility—
Dew point61°
Wed, 0462° / 59°1.36Heavy rain
MorningHeavy rain60°feels 60°
AfternoonHeavy rain62°feels 62°
EveningHeavy rain61°feels 61°
OvernightHeavy rain60°feels 60°
62 °Heavy rain

Summum, Wednesday, 4 November

Heavy rain. High 62°, low 59°.

Pressure29.68 inHg
Wind16.3 mph E
Humidity91%
Visibility—
Dew point59°
Thu, 0560° / 56°0.51Rain
MorningRain59°feels 59°
AfternoonRain57°feels 56°
EveningRain56°feels 55°
OvernightRain56°feels 56°
60 °Rain

Summum, Thursday, 5 November

Rain. High 60°, low 56°.

Pressure29.68 inHg
Wind13 mph N
Humidity91%
Visibility—
Dew point55°
Fri, 0655° / 45°0Overcast
MorningOvercast48°feels 44°
AfternoonOvercast52°feels 49°
EveningOvercast46°feels 43°
OvernightOvercast45°feels 42°
55 °Overcast

Summum, Friday, 6 November

Overcast. High 55°, low 45°.

Pressure30.00 inHg
Wind10.7 mph N
Humidity44%
Visibility—
Dew point31°

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.