S
M
T
W
T
F
S
26
101°
82°
27
103°
79°
28
101°
78°
29
95°
73°
30
100°
71°
31
104°
80°
1
104°
68°
2
104°
69°
3
104°
70°
4
103°
68°
5
100°
70°
6
100°
68°
7
97°
67°
8
98°
66°
9
94°
65°
10
93°
66°
11
89°
65°
12
88°
63°
13
90°
64°
14
93°
63°
15
88°
66°
16
89°
62°
17
88°
64°
18
87°
63°
19
88°
61°
20
88°
63°
21
89°
63°
22
91°
65°
23
93°
66°
24
94°
65°
25
94°
65°
26
93°
64°
27
94°
64°
28
93°
63°
29
91°
64°
30
92°
63°
31
92°
64°
1
91°
63°
2
91°
63°
3
84°
62°
4
84°
61°
5
83°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Tuba City
Tuba City's August 2026 forecast shows daily high temperatures ranging from 83° to 104°, with overnight lows between 61° and 70°. The average high for August is 93° with an average low of 65°. 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 Tuba City. See also: September | October | November.