S
M
T
W
T
F
S
26
84°
70°
27
84°
67°
28
87°
67°
29
93°
69°
30
86°
69°
31
82°
64°
1
81°
62°
2
90°
65°
3
76°
59°
4
71°
55°
5
81°
54°
6
82°
60°
7
74°
56°
8
72°
56°
9
74°
57°
10
77°
58°
11
77°
58°
12
80°
61°
13
78°
59°
14
69°
62°
15
72°
61°
16
76°
60°
17
72°
60°
18
74°
54°
19
78°
58°
20
81°
58°
21
75°
56°
22
75°
56°
23
76°
61°
24
78°
63°
25
77°
58°
26
76°
59°
27
80°
60°
28
80°
60°
29
75°
57°
30
73°
56°
31
76°
46°
1
67°
54°
2
71°
51°
3
72°
54°
4
74°
53°
5
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Winnipeg
Winnipeg's August 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 46° and 63°. The average high for August is 75° with an average low of 56°. 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 Winnipeg. See also: September | October | November.
