S
M
T
W
T
F
S
26
85°
65°
27
84°
66°
28
86°
68°
29
86°
67°
30
85°
67°
31
86°
68°
1
87°
67°
2
86°
68°
3
86°
67°
4
84°
66°
5
85°
67°
6
87°
66°
7
82°
64°
8
80°
63°
9
82°
64°
10
77°
66°
11
86°
67°
12
85°
67°
13
87°
66°
14
85°
66°
15
84°
65°
16
84°
65°
17
81°
64°
18
84°
63°
19
84°
62°
20
82°
63°
21
83°
61°
22
82°
55°
23
74°
53°
24
75°
52°
25
75°
53°
26
76°
53°
27
78°
56°
28
78°
60°
29
77°
60°
30
79°
61°
31
82°
60°
1
83°
59°
2
81°
55°
3
75°
58°
4
74°
59°
5
76°
58°
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 74° to 87°, with overnight lows between 52° and 68°. The average high for August is 82° with an average low of 62°. 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.