S
M
T
W
T
F
S
26
61°
42°
27
60°
41°
28
49°
37°
29
62°
32°
30
55°
34°
1
57°
33°
2
69°
27°
3
75°
44°
4
75°
42°
5
57°
41°
6
61°
31°
7
70°
44°
8
78°
49°
9
76°
38°
10
73°
35°
11
84°
41°
12
78°
46°
13
80°
38°
14
83°
58°
15
94°
52°
16
86°
54°
17
83°
55°
18
54°
48°
19
61°
42°
20
59°
38°
21
67°
47°
22
72°
52°
23
75°
44°
24
85°
61°
25
88°
60°
26
86°
59°
27
82°
62°
28
79°
59°
29
77°
60°
30
77°
58°
31
79°
55°
1
78°
56°
2
77°
54°
3
78°
55°
4
80°
56°
5
79°
59°
6
80°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Surprise
Surprise's May 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 54° and 62°. The average high for May is 80° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Surprise. See also: June | July | August.
