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
110°
82°
3
105°
83°
4
104°
80°
5
102°
78°
6
100°
76°
7
99°
75°
8
101°
76°
9
97°
74°
10
95°
73°
11
94°
74°
12
93°
74°
13
95°
73°
14
97°
75°
15
93°
74°
16
93°
74°
17
93°
74°
18
93°
73°
19
94°
74°
20
96°
75°
21
96°
76°
22
99°
78°
23
100°
76°
24
100°
76°
25
95°
77°
26
94°
76°
27
94°
76°
28
96°
77°
29
95°
74°
30
94°
76°
31
99°
78°
1
100°
79°
2
100°
76°
3
93°
74°
4
92°
72°
5
92°
73°
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 92° to 110°, with overnight lows between 72° and 83°. 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.
