S
M
T
W
T
F
S
26
69°
53°
27
69°
56°
28
74°
51°
29
76°
52°
30
75°
55°
1
77°
58°
2
74°
56°
3
66°
57°
4
70°
54°
5
69°
55°
6
75°
53°
7
76°
59°
8
76°
60°
9
79°
60°
10
82°
59°
11
85°
60°
12
80°
61°
13
75°
62°
14
74°
61°
15
73°
60°
16
74°
60°
17
73°
59°
18
75°
60°
19
75°
61°
20
74°
58°
21
69°
56°
22
69°
55°
23
70°
56°
24
75°
59°
25
77°
60°
26
77°
58°
27
72°
56°
28
70°
55°
29
71°
56°
30
74°
58°
31
75°
60°
1
78°
61°
2
77°
61°
3
74°
59°
4
71°
61°
5
71°
61°
6
72°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Gate
South Gate's May 2026 forecast shows daily high temperatures ranging from 69° to 85°, with overnight lows between 55° and 62°. The average high for May is 75° with an average low of 59°. 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 South Gate. See also: June | July | August.