S
M
T
W
T
F
S
27
68°
47°
28
69°
50°
29
70°
50°
30
68°
60°
1
66°
59°
2
65°
47°
3
64°
45°
4
69°
54°
5
60°
45°
6
73°
53°
7
75°
58°
8
71°
50°
9
68°
58°
10
78°
56°
11
68°
57°
12
77°
56°
13
59°
48°
14
58°
55°
15
62°
50°
16
58°
46°
17
54°
42°
18
56°
45°
19
60°
46°
20
60°
46°
21
59°
42°
22
59°
46°
23
51°
42°
24
58°
47°
25
62°
47°
26
59°
42°
27
60°
38°
28
50°
35°
29
50°
44°
30
55°
42°
31
60°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in South Milwaukee
South Milwaukee's October 2026 forecast shows daily high temperatures ranging from 50° to 78°, with overnight lows between 35° and 58°. The average high for October is 61° with an average low of 47°. 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 South Milwaukee. See also: November | December | January.
