S
M
T
W
T
F
S
26
108°
82°
27
109°
77°
28
104°
76°
29
102°
70°
30
107°
70°
31
97°
74°
1
95°
62°
2
102°
63°
3
106°
68°
4
90°
71°
5
102°
62°
6
103°
64°
7
102°
74°
8
105°
74°
9
106°
73°
10
105°
72°
11
103°
73°
12
106°
69°
13
99°
67°
14
92°
67°
15
90°
64°
16
92°
67°
17
90°
68°
18
92°
66°
19
90°
65°
20
91°
65°
21
86°
66°
22
95°
69°
23
94°
69°
24
95°
70°
25
95°
70°
26
94°
69°
27
95°
69°
28
95°
68°
29
94°
68°
30
90°
67°
31
92°
68°
1
94°
68°
2
93°
67°
3
93°
66°
4
92°
66°
5
87°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Guymon
Guymon's August 2026 forecast shows daily high temperatures ranging from 86° to 106°, with overnight lows between 64° and 74°. The average high for August is 95° with an average low of 68°. 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 Guymon. See also: September | October | November.
