S
M
T
W
T
F
S
27
67°
55°
28
66°
56°
29
70°
55°
30
69°
44°
1
68°
42°
2
61°
42°
3
59°
41°
4
59°
41°
5
58°
40°
6
59°
43°
7
60°
48°
8
64°
46°
9
66°
42°
10
59°
40°
11
58°
41°
12
59°
48°
13
57°
48°
14
57°
49°
15
Hist. Avg.
62°
43°
16
Hist. Avg.
61°
43°
17
Hist. Avg.
61°
43°
18
Hist. Avg.
60°
42°
19
Hist. Avg.
60°
42°
20
Hist. Avg.
59°
42°
21
Hist. Avg.
59°
41°
22
Hist. Avg.
59°
41°
23
Hist. Avg.
58°
41°
24
Hist. Avg.
58°
40°
25
Hist. Avg.
57°
40°
26
Hist. Avg.
57°
40°
27
Hist. Avg.
56°
39°
28
Hist. Avg.
56°
39°
29
Hist. Avg.
56°
39°
30
Hist. Avg.
55°
38°
31
Hist. Avg.
55°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Round Lake Beach
Round Lake Beach's October 2026 forecast shows daily high temperatures ranging from 57° to 70°, with overnight lows between 40° and 56°. The average high for October is 62° with an average low of 46°. 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 Round Lake Beach. See also: November | December | January.
