S
M
T
W
T
F
S
31
85°
69°
1
90°
62°
2
85°
68°
3
83°
66°
4
82°
62°
5
84°
67°
6
86°
70°
7
87°
70°
8
88°
69°
9
84°
67°
10
83°
64°
11
82°
70°
12
84°
70°
13
84°
71°
14
86°
72°
15
85°
72°
16
90°
71°
17
91°
66°
18
85°
65°
19
83°
67°
20
84°
72°
21
86°
73°
22
86°
74°
23
89°
74°
24
90°
73°
25
90°
73°
26
88°
74°
27
91°
74°
28
90°
73°
29
93°
72°
30
96°
74°
1
96°
69°
2
91°
68°
3
90°
67°
4
89°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Fort Smith
Fort Smith's June 2026 forecast shows daily high temperatures ranging from 82° to 96°, with overnight lows between 62° and 74°. The average high for June is 87° with an average low of 70°. 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 Fort Smith. See also: July | August | September.
