S
M
T
W
T
F
S
26
88°
74°
27
90°
75°
28
93°
75°
29
92°
76°
30
89°
76°
31
89°
75°
1
90°
75°
2
89°
76°
3
89°
76°
4
90°
75°
5
89°
75°
6
90°
74°
7
91°
74°
8
90°
75°
9
91°
75°
10
89°
76°
11
89°
76°
12
91°
75°
13
90°
76°
14
89°
75°
15
88°
75°
16
88°
74°
17
89°
76°
18
90°
77°
19
89°
77°
20
89°
76°
21
88°
77°
22
88°
75°
23
91°
77°
24
92°
77°
25
92°
76°
26
91°
75°
27
89°
77°
28
89°
75°
29
90°
75°
30
91°
76°
31
89°
75°
1
87°
74°
2
87°
74°
3
89°
75°
4
89°
76°
5
90°
75°
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 87° to 93°, with overnight lows between 74° and 77°. The average high for August is 90° with an average low of 75°. 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.