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As of 23:56 CST

Weather in Summum, IL

38°Current weather

Summum, Thursday, 12 November, 23:56

Overcast. Feels like 32°. High 46°, low 38°.

Pressure30.09 inHg
Wind8.5 mph NW
Humidity68%
Visibility6.2 mi
Dew point29°

10-day forecast for Summum, IL: 28° to 68°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

68°
Best day: Friday, November 20
43°
Worst day: Friday, November 13

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

Fri, 1343° / 34°0Overcast
MorningOvercast37°feels 30°
AfternoonOvercast43°feels 37°
EveningOvercast39°feels 33°
OvernightOvercast36°feels 29°
43 °Overcast

Summum, Friday, 13 November

Overcast. High 43°, low 34°.

Pressure30.15 inHg
Wind10.9 mph N
Humidity62%
Visibility6.2 mi
Dew point23°
Sat, 1446° / 28°0Clear
MorningClear32°feels 26°
AfternoonClear46°feels 46°
EveningClear34°feels 31°
OvernightClear31°feels 25°
46 °Clear

Summum, Saturday, 14 November

Clear. High 46°, low 28°.

Pressure30.33 inHg
Wind2.6 mph N
Humidity57%
Visibility6.2 mi
Dew point25°
Sun, 1549° / 28°0Clear
MorningClear32°feels 32°
AfternoonClear49°feels 49°
EveningClear39°feels 39°
OvernightClear29°feels 29°
49 °Clear

Summum, Sunday, 15 November

Clear. High 49°, low 28°.

Pressure30.47 inHg
Wind0.2 mph SE
Humidity53%
Visibility6.2 mi
Dew point28°
Mon, 1652° / 31°0Clear
MorningClear37°feels 35°
AfternoonClear52°feels 49°
EveningClear40°feels 37°
OvernightClear32°feels 32°
52 °Clear

Summum, Monday, 16 November

Clear. High 52°, low 31°.

Pressure30.53 inHg
Wind4.9 mph SW
Humidity47%
Visibility6.2 mi
Dew point31°
Tue, 1754° / 33°0Clear
MorningClear39°feels 35°
AfternoonClear51°feels 49°
EveningClear43°feels 40°
OvernightClear40°feels 35°
54 °Clear

Summum, Tuesday, 17 November

Clear. High 54°, low 33°.

Pressure30.47 inHg
Wind7.1 mph S
Humidity51%
Visibility—
Dew point33°
Wed, 1859° / 36°0Overcast
MorningOvercast42°feels 37°
AfternoonOvercast56°feels 53°
EveningOvercast52°feels 50°
OvernightOvercast49°feels 46°
59 °Overcast

Summum, Wednesday, 18 November

Overcast. High 59°, low 36°.

Pressure30.27 inHg
Wind13.5 mph S
Humidity48%
Visibility—
Dew point34°
Thu, 1967° / 51°0Partly cloudy
MorningPartly cloudy57°feels 56°
AfternoonPartly cloudy64°feels 63°
EveningPartly cloudy57°feels 55°
OvernightPartly cloudy54°feels 53°
67 °Partly cloudy

Summum, Thursday, 19 November

Partly cloudy. High 67°, low 51°.

Pressure30.15 inHg
Wind15 mph SW
Humidity60%
Visibility—
Dew point49°
Fri, 2068° / 48°0Overcast
MorningOvercast53°feels 52°
AfternoonOvercast65°feels 64°
EveningOvercast58°feels 57°
OvernightOvercast54°feels 53°
68 °Overcast

Summum, Friday, 20 November

Overcast. High 68°, low 48°.

Pressure30.30 inHg
Wind8 mph S
Humidity56%
Visibility—
Dew point48°
Sat, 2168° / 52°0Overcast
MorningOvercast56°feels 54°
AfternoonOvercast65°feels 64°
EveningOvercast59°feels 58°
OvernightOvercast56°feels 55°
68 °Overcast

Summum, Saturday, 21 November

Overcast. High 68°, low 52°.

Pressure30.18 inHg
Wind12.3 mph SW
Humidity42%
Visibility—
Dew point41°

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.