S
M
T
W
T
F
S
26
105°
83°
27
105°
85°
28
103°
80°
29
108°
83°
30
109°
85°
31
109°
84°
1
111°
86°
2
109°
87°
3
107°
81°
4
105°
79°
5
104°
72°
6
103°
72°
7
107°
82°
8
109°
83°
9
106°
79°
10
101°
74°
11
98°
73°
12
90°
73°
13
94°
73°
14
95°
74°
15
101°
76°
16
97°
78°
17
100°
77°
18
98°
75°
19
94°
74°
20
96°
74°
21
98°
75°
22
99°
76°
23
100°
76°
24
94°
73°
25
93°
73°
26
93°
74°
27
94°
74°
28
96°
76°
29
100°
79°
30
100°
79°
31
99°
78°
1
100°
78°
2
98°
76°
3
96°
77°
4
96°
77°
5
98°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Tucson
Tucson's August 2026 forecast shows daily high temperatures ranging from 90° to 106°, with overnight lows between 73° and 79°. 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 Tucson. See also: September | October | November.
