S
M
T
W
T
F
S
26
84°
69°
27
93°
71°
28
90°
67°
29
85°
69°
30
84°
74°
1
86°
75°
2
85°
71°
3
81°
66°
4
87°
67°
5
86°
68°
6
87°
70°
7
84°
71°
8
88°
74°
9
89°
74°
10
88°
77°
11
89°
76°
12
88°
76°
13
87°
74°
14
89°
74°
15
90°
71°
16
88°
73°
17
92°
74°
18
94°
73°
19
95°
74°
20
90°
74°
21
89°
74°
22
89°
75°
23
92°
73°
24
90°
74°
25
89°
74°
26
90°
74°
27
86°
73°
28
85°
74°
29
83°
74°
30
85°
73°
31
86°
72°
1
86°
74°
2
86°
73°
3
87°
74°
4
87°
73°
5
86°
74°
6
86°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Southgate
Southgate's May 2026 forecast shows daily high temperatures ranging from 83° to 92°, with overnight lows between 70° and 74°. The average high for May is 87° with an average low of 73°. 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 Southgate. See also: June | July | August.