S
M
T
W
T
F
S
31
90°
67°
1
95°
69°
2
90°
64°
3
87°
62°
4
87°
67°
5
82°
69°
6
81°
69°
7
80°
70°
8
85°
70°
9
88°
69°
10
86°
68°
11
89°
67°
12
87°
66°
13
89°
67°
14
85°
64°
15
89°
69°
16
88°
68°
17
88°
68°
18
85°
67°
19
81°
68°
20
82°
68°
21
85°
67°
22
86°
68°
23
84°
64°
24
86°
67°
25
88°
69°
26
89°
69°
27
87°
68°
28
86°
69°
29
89°
69°
30
90°
68°
1
91°
70°
2
91°
70°
3
90°
69°
4
92°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Smithville
Smithville's June 2026 forecast shows daily high temperatures ranging from 80° to 95°, with overnight lows between 62° and 71°. The average high for June is 87° 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 June weather will actually feel in Smithville. See also: July | August | September.