S
M
T
W
T
F
S
26
76°
59°
27
82°
61°
28
81°
62°
29
77°
61°
30
78°
55°
31
75°
54°
1
75°
54°
2
78°
58°
3
80°
61°
4
82°
61°
5
79°
60°
6
81°
61°
7
81°
59°
8
83°
60°
9
83°
58°
10
82°
52°
11
76°
54°
12
77°
56°
13
78°
53°
14
76°
53°
15
76°
56°
16
75°
59°
17
75°
59°
18
76°
57°
19
76°
55°
20
75°
53°
21
77°
59°
22
80°
59°
23
75°
58°
24
79°
58°
25
80°
51°
26
77°
51°
27
73°
52°
28
74°
55°
29
73°
56°
30
72°
57°
31
73°
56°
1
76°
50°
2
72°
50°
3
71°
51°
4
71°
49°
5
73°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Thompson
Thompson's August 2026 forecast shows daily high temperatures ranging from 71° to 83°, with overnight lows between 49° and 62°. The average high for August is 77° 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 Thompson. See also: September | October | November.