S
M
T
W
T
F
S
26
98°
77°
27
100°
80°
28
99°
79°
29
95°
78°
30
95°
75°
31
93°
74°
1
94°
75°
2
94°
75°
3
96°
74°
4
94°
76°
5
94°
75°
6
95°
74°
7
97°
78°
8
99°
75°
9
97°
75°
10
101°
76°
11
101°
75°
12
100°
75°
13
98°
73°
14
95°
74°
15
96°
76°
16
96°
78°
17
100°
78°
18
102°
75°
19
98°
76°
20
96°
79°
21
99°
79°
22
99°
80°
23
101°
78°
24
99°
75°
25
100°
76°
26
96°
77°
27
100°
79°
28
99°
73°
29
95°
72°
30
94°
74°
31
95°
75°
1
95°
76°
2
96°
75°
3
95°
73°
4
94°
72°
5
94°
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 93° to 102°, with overnight lows between 72° and 80°. 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.
