S
M
T
W
T
F
S
28
97°
79°
29
98°
81°
30
95°
78°
1
96°
79°
2
95°
79°
3
98°
78°
4
99°
81°
5
97°
75°
6
99°
76°
7
100°
77°
8
100°
82°
9
102°
82°
10
100°
82°
11
100°
79°
12
97°
76°
13
93°
74°
14
91°
74°
15
93°
75°
16
96°
74°
17
96°
78°
18
100°
78°
19
99°
77°
20
99°
78°
21
96°
74°
22
100°
78°
23
99°
78°
24
98°
78°
25
99°
78°
26
99°
79°
27
98°
79°
28
99°
78°
29
99°
79°
30
98°
78°
31
99°
79°
1
100°
79°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Southlake
Southlake's July 2026 forecast shows daily high temperatures ranging from 91° to 102°, with overnight lows between 74° and 82°. The average high for July is 98° with an average low of 78°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Southlake. See also: August | September | October.