S
M
T
W
T
F
S
26
81°
66°
27
82°
65°
28
79°
65°
29
84°
67°
30
86°
66°
31
83°
62°
1
78°
62°
2
84°
65°
3
76°
55°
4
76°
63°
5
78°
60°
6
79°
58°
7
81°
57°
8
82°
58°
9
81°
64°
10
83°
61°
11
81°
57°
12
80°
55°
13
74°
54°
14
76°
59°
15
77°
61°
16
76°
58°
17
74°
53°
18
75°
56°
19
79°
60°
20
78°
62°
21
81°
63°
22
79°
64°
23
83°
61°
24
83°
53°
25
79°
53°
26
80°
52°
27
75°
60°
28
80°
52°
29
77°
52°
30
73°
49°
31
72°
56°
1
72°
51°
2
74°
54°
3
72°
50°
4
69°
48°
5
70°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Gibbon
Gibbon's August 2026 forecast shows daily high temperatures ranging from 69° to 86°, with overnight lows between 48° and 67°. The average high for August is 78° with an average low of 58°. 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 Gibbon. See also: September | October | November.