S
M
T
W
T
F
S
26
95°
76°
27
97°
75°
28
97°
77°
29
97°
79°
30
99°
78°
31
98°
77°
1
99°
78°
2
103°
77°
3
106°
76°
4
104°
77°
5
100°
78°
6
96°
77°
7
98°
76°
8
97°
77°
9
96°
76°
10
99°
77°
11
98°
77°
12
99°
76°
13
99°
77°
14
98°
74°
15
98°
77°
16
97°
76°
17
97°
76°
18
94°
75°
19
96°
77°
20
97°
77°
21
97°
76°
22
96°
76°
23
97°
75°
24
97°
76°
25
96°
76°
26
97°
77°
27
97°
76°
28
96°
76°
29
95°
75°
30
96°
76°
31
96°
76°
1
95°
75°
2
95°
75°
3
94°
74°
4
95°
75°
5
95°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Kirby
Kirby's August 2026 forecast shows daily high temperatures ranging from 94° to 106°, with overnight lows between 74° and 78°. The average high for August is 97° with an average low of 76°. 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 Kirby. See also: September | October | November.