S
M
T
W
T
F
S
26
79°
61°
27
78°
61°
28
78°
60°
29
79°
62°
30
76°
62°
1
77°
61°
2
73°
58°
3
73°
54°
4
74°
62°
5
76°
63°
6
78°
63°
7
80°
64°
8
82°
64°
9
81°
62°
10
76°
65°
11
83°
65°
12
81°
66°
13
81°
66°
14
82°
65°
15
80°
66°
16
84°
67°
17
78°
62°
18
78°
59°
19
77°
60°
20
79°
66°
21
84°
61°
22
88°
65°
23
87°
61°
24
80°
60°
25
81°
63°
26
83°
65°
27
82°
63°
28
83°
65°
29
83°
64°
30
84°
65°
31
84°
64°
1
85°
63°
2
85°
65°
3
88°
67°
4
88°
69°
5
86°
71°
6
88°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Southlake
Southlake's May 2026 forecast shows daily high temperatures ranging from 73° to 88°, with overnight lows between 54° and 71°. The average high for May is 81° with an average low of 63°. 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 Southlake. See also: June | July | August.
