S
M
T
W
T
F
S
26
84°
61°
27
84°
62°
28
76°
62°
29
81°
60°
30
67°
53°
1
68°
46°
2
69°
49°
3
69°
40°
4
80°
47°
5
77°
54°
6
72°
57°
7
70°
51°
8
72°
47°
9
79°
57°
10
83°
60°
11
72°
45°
12
77°
49°
13
82°
54°
14
76°
48°
15
79°
57°
16
86°
63°
17
86°
62°
18
88°
64°
19
87°
65°
20
84°
66°
21
85°
64°
22
81°
58°
23
83°
62°
24
82°
61°
25
84°
63°
26
84°
63°
27
83°
64°
28
85°
64°
29
85°
63°
30
84°
64°
31
85°
64°
1
85°
63°
2
86°
64°
3
87°
66°
4
83°
65°
5
80°
64°
6
83°
65°
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 72° to 88°, with overnight lows between 45° and 66°. The average high for May is 83° 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.