S
M
T
W
T
F
S
28
90°
72°
29
91°
70°
30
93°
70°
1
95°
70°
2
95°
69°
3
95°
69°
4
93°
71°
5
91°
71°
6
90°
69°
7
90°
67°
8
87°
68°
9
87°
67°
10
85°
68°
11
84°
67°
12
87°
68°
13
86°
69°
14
85°
67°
15
88°
66°
16
86°
64°
17
84°
63°
18
84°
63°
19
89°
69°
20
90°
70°
21
89°
69°
22
89°
69°
23
90°
68°
24
91°
70°
25
91°
70°
26
90°
69°
27
91°
70°
28
91°
70°
29
90°
69°
30
91°
70°
31
90°
69°
1
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Smithville
Smithville's July 2026 forecast shows daily high temperatures ranging from 84° to 95°, with overnight lows between 63° and 71°. The average high for July is 89° with an average low of 68°. 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 Smithville. See also: August | September | October.