S
M
T
W
T
F
S
26
100°
76°
27
101°
77°
28
105°
79°
29
106°
76°
30
100°
77°
31
100°
78°
1
103°
80°
2
104°
77°
3
100°
75°
4
99°
76°
5
100°
76°
6
102°
80°
7
106°
78°
8
104°
79°
9
106°
79°
10
108°
76°
11
104°
77°
12
102°
79°
13
104°
76°
14
102°
74°
15
102°
77°
16
105°
79°
17
107°
79°
18
108°
80°
19
107°
80°
20
108°
79°
21
107°
79°
22
105°
76°
23
104°
76°
24
102°
75°
25
103°
72°
26
103°
73°
27
105°
73°
28
106°
74°
29
107°
75°
30
105°
72°
31
106°
75°
1
105°
76°
2
107°
77°
3
106°
73°
4
98°
70°
5
97°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Tempe
Tempe's August 2026 forecast shows daily high temperatures ranging from 97° to 108°, with overnight lows between 70° and 80°. The average high for August is 104° 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 Tempe. See also: September | October | November.
