S
M
T
W
T
F
S
27
82°
57°
28
83°
58°
29
84°
59°
30
83°
59°
1
82°
57°
2
81°
54°
3
81°
56°
4
Hist. Avg.
87°
54°
5
Hist. Avg.
86°
54°
6
Hist. Avg.
86°
53°
7
Hist. Avg.
86°
53°
8
Hist. Avg.
85°
53°
9
Hist. Avg.
85°
53°
10
Hist. Avg.
84°
52°
11
Hist. Avg.
84°
52°
12
Hist. Avg.
84°
52°
13
Hist. Avg.
83°
52°
14
Hist. Avg.
83°
51°
15
Hist. Avg.
82°
51°
16
Hist. Avg.
82°
51°
17
Hist. Avg.
82°
51°
18
Hist. Avg.
81°
50°
19
Hist. Avg.
81°
50°
20
Hist. Avg.
80°
50°
21
Hist. Avg.
80°
50°
22
Hist. Avg.
79°
49°
23
Hist. Avg.
79°
49°
24
Hist. Avg.
78°
49°
25
Hist. Avg.
78°
49°
26
Hist. Avg.
78°
48°
27
Hist. Avg.
77°
48°
28
Hist. Avg.
77°
48°
29
Hist. Avg.
76°
48°
30
Hist. Avg.
76°
47°
31
Hist. Avg.
75°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Waterloo
Waterloo's October 2026 forecast shows daily high temperatures ranging from 81° to 84°, with overnight lows between 54° and 59°. The average high for October is 82° with an average low of 57°. 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.
