S
M
T
W
T
F
S
26
99°
77°
27
99°
75°
28
98°
71°
29
99°
78°
30
97°
77°
31
99°
80°
1
85°
63°
2
89°
62°
3
95°
68°
4
97°
73°
5
99°
73°
6
101°
72°
7
99°
73°
8
98°
72°
9
100°
75°
10
100°
73°
11
102°
76°
12
100°
74°
13
101°
73°
14
92°
68°
15
90°
68°
16
91°
70°
17
96°
73°
18
96°
73°
19
95°
72°
20
96°
73°
21
96°
73°
22
95°
72°
23
96°
73°
24
95°
74°
25
96°
73°
26
96°
73°
27
95°
72°
28
95°
73°
29
94°
73°
30
95°
72°
31
95°
72°
1
94°
71°
2
94°
72°
3
93°
72°
4
94°
71°
5
93°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Tahlequah
Tahlequah's August 2026 forecast shows daily high temperatures ranging from 85° to 102°, with overnight lows between 62° and 76°. The average high for August is 96° with an average low of 72°. 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 Tahlequah. See also: September | October | November.