S
M
T
W
T
F
S
26
87°
67°
27
88°
67°
28
87°
68°
29
88°
69°
30
89°
68°
31
85°
67°
1
82°
66°
2
80°
64°
3
80°
61°
4
81°
66°
5
80°
66°
6
81°
63°
7
81°
63°
8
84°
64°
9
85°
66°
10
86°
67°
11
85°
66°
12
86°
66°
13
86°
65°
14
87°
64°
15
88°
66°
16
85°
66°
17
82°
65°
18
82°
66°
19
85°
63°
20
81°
59°
21
81°
57°
22
80°
58°
23
80°
59°
24
81°
58°
25
80°
57°
26
80°
63°
27
81°
60°
28
82°
58°
29
79°
59°
30
79°
57°
31
78°
56°
1
77°
57°
2
78°
61°
3
78°
57°
4
79°
56°
5
78°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Gibson
Gibson's August 2026 forecast shows daily high temperatures ranging from 77° to 89°, with overnight lows between 55° and 69°. The average high for August is 82° with an average low of 63°. 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 Gibson. See also: September | October | November.