S
M
T
W
T
F
S
31
91°
70°
1
88°
69°
2
89°
65°
3
87°
60°
4
87°
62°
5
88°
67°
6
86°
71°
7
86°
70°
8
87°
71°
9
90°
69°
10
88°
70°
11
90°
70°
12
90°
69°
13
88°
70°
14
87°
66°
15
88°
69°
16
88°
69°
17
84°
68°
18
83°
69°
19
85°
70°
20
88°
70°
21
90°
69°
22
90°
70°
23
87°
70°
24
86°
67°
25
86°
67°
26
88°
71°
27
88°
70°
28
86°
71°
29
86°
71°
30
87°
69°
1
86°
67°
2
87°
71°
3
86°
71°
4
87°
70°
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 83° to 90°, with overnight lows between 60° and 71°. The average high for June is 87° with an average low of 69°. 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.