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°
55°
5
70°
57°
6
76°
57°
7
77°
60°
8
78°
62°
9
76°
60°
10
77°
61°
11
76°
60°
12
75°
61°
13
77°
63°
14
80°
63°
15
76°
61°
16
75°
60°
17
74°
58°
18
78°
62°
19
78°
62°
20
77°
61°
21
78°
62°
22
78°
62°
23
79°
63°
24
79°
63°
25
78°
62°
26
77°
62°
27
77°
61°
28
71°
60°
29
70°
59°
30
72°
59°
31
71°
61°
1
73°
62°
2
76°
63°
3
75°
62°
4
74°
61°
5
73°
60°
6
72°
58°
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 70° to 80°, with overnight lows between 55° and 63°. The average high for May is 75° with an average low of 61°. 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.