S
M
T
W
T
F
S
26
77°
49°
27
75°
54°
28
75°
56°
29
71°
53°
30
N/A
1
69°
45°
2
64°
39°
3
65°
41°
4
76°
51°
5
75°
56°
6
68°
44°
7
69°
39°
8
67°
47°
9
72°
50°
10
72°
51°
11
77°
55°
12
77°
55°
13
75°
54°
14
80°
52°
15
77°
60°
16
79°
60°
17
81°
59°
18
81°
60°
19
78°
60°
20
81°
61°
21
81°
61°
22
82°
60°
23
81°
61°
24
77°
61°
25
80°
62°
26
81°
62°
27
78°
61°
28
77°
59°
29
80°
61°
30
78°
59°
31
78°
61°
1
82°
62°
2
84°
63°
3
85°
63°
4
85°
62°
5
78°
61°
6
78°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Summer City
Summer City's May 2026 forecast shows daily high temperatures ranging from 64° to 85°, with overnight lows between 39° and 63°. The average high for May is 77° with an average low of 56°. 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 Summer City. See also: June | July | August.