S
M
T
W
T
F
S
27
75°
44°
28
72°
47°
29
75°
48°
30
73°
48°
1
71°
60°
2
63°
43°
3
63°
39°
4
68°
38°
5
56°
35°
6
59°
30°
7
70°
47°
8
63°
43°
9
64°
38°
10
62°
37°
11
60°
42°
12
70°
55°
13
81°
58°
14
58°
48°
15
52°
47°
16
65°
38°
17
48°
33°
18
62°
35°
19
67°
33°
20
63°
32°
21
62°
28°
22
65°
32°
23
56°
31°
24
62°
29°
25
66°
31°
26
58°
40°
27
53°
36°
28
65°
38°
29
72°
36°
30
53°
36°
31
56°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Waterloo
Waterloo's October 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for October is ° with an average low of °. 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 Waterloo. See also: November | December | January.
