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Lake Summerset, IL

71°F
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Lake Summerset

Illinois

71°
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Lake Summerset, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

October

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
27
74°
50°
28
78°
59°
29
79°
54°
30
66°
61°
1
67°
55°
2
66°
49°
3
72°
46°
4
71°
53°
5
72°
48°
6
76°
49°
7
77°
57°
8
Partly sunny and pleasant
72°
49°
9
An afternoon shower or two
68°
56°
10
Sunny, breezy and warmer
79°
53°
11
Partly sunny and very warm
79°
58°
12
Breezy in the morning
80°
56°
13
Cooler; breezy in the morning
61°
45°
14
A morning shower, then rain
59°
51°
15
An afternoon t-storm or two
61°
45°
16
Cloudy
57°
40°
17
Remaining cloudy
54°
40°
18
Plenty of sunshine
58°
40°
19
Plenty of sunshine
57°
43°
20
Sunshine and a few clouds
60°
41°
21
A blend of sun and clouds
58°
38°
22
Plenty of sunshine
57°
41°
23
Plenty of sunshine
51°
36°
24
Plenty of sun
58°
42°
25
Plenty of sun
61°
40°
26
Mostly sunny
59°
38°
27
Plenty of sunshine
58°
32°
28
Sunny and cooler
48°
28°
29
Cloudy
49°
40°
30
Sunshine
52°
37°
31
Mostly cloudy
59°
40°

Temperature Graph

°F
80° 68° 56° 44° 32° Oct
Today 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

October Weather in Lake Summerset

Lake Summerset's October 2026 forecast shows daily high temperatures ranging from 48° to 80°, with overnight lows between 28° and 58°. The average high for October is 61° with an average low of 43°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Lake Summerset. See also: November | December | January.

Further Ahead

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January 2027

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World North America United States Illinois Lake Summerset

Weather Near Lake Summerset:

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