S
M
T
W
T
F
S
26
105°
80°
27
103°
81°
28
99°
80°
29
101°
79°
30
105°
80°
31
108°
83°
1
109°
83°
2
106°
80°
3
102°
78°
4
98°
78°
5
97°
77°
6
97°
73°
7
95°
74°
8
94°
78°
9
98°
77°
10
96°
77°
11
97°
76°
12
94°
76°
13
94°
75°
14
95°
75°
15
94°
77°
16
94°
78°
17
99°
76°
18
94°
75°
19
97°
76°
20
100°
76°
21
100°
79°
22
101°
78°
23
99°
76°
24
94°
76°
25
93°
73°
26
94°
74°
27
95°
75°
28
94°
73°
29
94°
75°
30
95°
74°
31
96°
74°
1
97°
75°
2
97°
77°
3
96°
73°
4
94°
73°
5
95°
74°
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 93° to 109°, with overnight lows between 73° and 83°. The average high for August is 98° with an average low of 77°. 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.
