S
M
T
W
T
F
S
26
86°
65°
27
80°
61°
28
76°
58°
29
75°
57°
30
75°
61°
31
77°
62°
1
78°
63°
2
76°
63°
3
80°
62°
4
77°
58°
5
75°
60°
6
75°
62°
7
82°
61°
8
74°
60°
9
76°
61°
10
75°
58°
11
77°
61°
12
77°
62°
13
79°
57°
14
73°
54°
15
73°
54°
16
76°
60°
17
74°
56°
18
79°
59°
19
81°
61°
20
80°
55°
21
72°
52°
22
72°
53°
23
78°
61°
24
78°
58°
25
82°
57°
26
80°
50°
27
71°
49°
28
69°
48°
29
71°
54°
30
73°
54°
31
78°
57°
1
77°
51°
2
77°
49°
3
70°
48°
4
67°
47°
5
67°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rib Mountain Town
Rib Mountain Town's August 2026 forecast shows daily high temperatures ranging from 67° to 86°, with overnight lows between 47° and 65°. The average high for August is 76° 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 August weather will actually feel in Rib Mountain Town. See also: September | October | November.