S
M
T
W
T
F
S
26
104°
75°
27
106°
76°
28
105°
74°
29
104°
73°
30
104°
73°
31
102°
71°
1
100°
67°
2
95°
68°
3
100°
70°
4
99°
69°
5
97°
71°
6
93°
70°
7
97°
68°
8
97°
69°
9
91°
65°
10
93°
69°
11
94°
70°
12
94°
69°
13
91°
67°
14
88°
68°
15
91°
68°
16
93°
67°
17
93°
69°
18
94°
68°
19
94°
68°
20
92°
67°
21
91°
66°
22
92°
67°
23
93°
68°
24
93°
68°
25
92°
67°
26
93°
68°
27
92°
67°
28
92°
66°
29
91°
66°
30
91°
65°
31
90°
65°
1
87°
64°
2
86°
65°
3
89°
65°
4
87°
64°
5
87°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Amarillo
Amarillo's August 2026 forecast shows daily high temperatures ranging from 86° to 106°, with overnight lows between 63° and 76°. The average high for August is 94° 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 Amarillo. See also: September | October | November.