S
M
T
W
T
F
S
26
110°
91°
27
113°
94°
28
107°
83°
29
111°
92°
30
113°
94°
31
115°
94°
1
116°
94°
2
115°
94°
3
116°
93°
4
107°
89°
5
105°
92°
6
107°
88°
7
111°
89°
8
113°
95°
9
111°
87°
10
108°
86°
11
104°
82°
12
102°
80°
13
100°
81°
14
101°
81°
15
104°
83°
16
109°
86°
17
110°
88°
18
111°
82°
19
110°
82°
20
108°
83°
21
105°
81°
22
105°
79°
23
104°
80°
24
105°
79°
25
106°
77°
26
103°
74°
27
97°
71°
28
103°
78°
29
104°
77°
30
101°
77°
31
102°
76°
1
104°
72°
2
100°
72°
3
101°
75°
4
104°
77°
5
105°
77°
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 111°, with overnight lows between 71° and 88°. The average high for August is 104° with an average low of 79°. 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.
