S
M
T
W
T
F
S
28
95°
77°
29
97°
76°
30
95°
76°
1
96°
76°
2
97°
74°
3
97°
75°
4
98°
77°
5
97°
75°
6
97°
75°
7
99°
76°
8
99°
77°
9
98°
74°
10
99°
75°
11
100°
74°
12
96°
73°
13
96°
75°
14
95°
74°
15
97°
75°
16
98°
76°
17
98°
76°
18
97°
75°
19
95°
74°
20
91°
73°
21
92°
75°
22
92°
75°
23
93°
74°
24
93°
76°
25
94°
74°
26
93°
75°
27
94°
75°
28
96°
73°
29
98°
76°
30
98°
76°
31
97°
75°
1
95°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Seguin
Seguin's July 2026 forecast shows daily high temperatures ranging from 91° to 100°, with overnight lows between 73° and 77°. The average high for July is 96° with an average low of 75°. 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 Seguin. See also: August | September | October.