S
M
T
W
T
F
S
26
57°
41°
27
65°
43°
28
68°
52°
29
55°
45°
30
57°
41°
1
49°
39°
2
50°
37°
3
64°
37°
4
75°
49°
5
66°
46°
6
58°
46°
7
58°
41°
8
58°
42°
9
71°
50°
10
62°
41°
11
57°
38°
12
59°
38°
13
55°
44°
14
64°
46°
15
66°
53°
16
75°
61°
17
77°
61°
18
87°
66°
19
79°
56°
20
66°
49°
21
65°
54°
22
68°
52°
23
69°
53°
24
69°
54°
25
74°
57°
26
75°
53°
27
70°
57°
28
74°
59°
29
76°
59°
30
76°
56°
31
68°
52°
1
69°
50°
2
68°
50°
3
69°
53°
4
71°
59°
5
78°
62°
6
81°
63°
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 55° to 87°, with overnight lows between 44° and 66°. The average high for May is 72° with an average low of 55°. 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.