S
M
T
W
T
F
S
27
81°
55°
28
77°
57°
29
70°
46°
30
69°
42°
31
74°
44°
1
76°
53°
2
78°
56°
3
79°
55°
4
80°
55°
5
79°
52°
6
74°
62°
7
84°
60°
8
85°
56°
9
83°
64°
10
75°
61°
11
78°
56°
12
68°
55°
13
60°
50°
14
77°
48°
15
75°
53°
16
67°
46°
17
69°
44°
18
61°
51°
19
69°
53°
20
79°
54°
21
74°
60°
22
76°
54°
23
65°
50°
24
62°
40°
25
65°
37°
26
72°
36°
27
75°
51°
28
70°
41°
29
75°
47°
30
83°
56°
31
84°
57°
1
81°
56°
2
71°
44°
3
51°
41°
4
48°
38°
5
47°
38°
6
54°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sioux Lookout
Sioux Lookout's August 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August 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 August weather will actually feel in Sioux Lookout. See also: September | October | November.
