S
M
T
W
T
F
S
26
111°
90°
27
113°
93°
28
106°
90°
29
110°
92°
30
113°
94°
31
116°
94°
1
116°
93°
2
117°
93°
3
114°
90°
4
111°
90°
5
107°
90°
6
108°
86°
7
109°
88°
8
109°
86°
9
105°
87°
10
104°
83°
11
102°
82°
12
101°
82°
13
104°
83°
14
101°
82°
15
104°
79°
16
99°
76°
17
99°
77°
18
99°
78°
19
101°
78°
20
101°
80°
21
102°
81°
22
104°
82°
23
106°
82°
24
106°
81°
25
105°
82°
26
102°
82°
27
103°
81°
28
103°
81°
29
102°
79°
30
100°
80°
31
104°
81°
1
105°
80°
2
104°
81°
3
98°
79°
4
97°
76°
5
97°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Surprise
Surprise's August 2026 forecast shows daily high temperatures ranging from 97° to 117°, with overnight lows between 76° and 93°. The average high for August is 104° with an average low of 82°. 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 Surprise. See also: September | October | November.
