S
M
T
W
T
F
S
31
64°
50°
1
79°
37°
2
79°
43°
3
81°
45°
4
79°
52°
5
90°
48°
6
99°
55°
7
86°
48°
8
79°
43°
9
73°
54°
10
66°
51°
11
76°
53°
12
80°
51°
13
58°
45°
14
63°
49°
15
70°
51°
16
80°
57°
17
89°
57°
18
84°
54°
19
78°
53°
20
80°
53°
21
78°
55°
22
82°
57°
23
81°
54°
24
75°
50°
25
76°
55°
26
82°
59°
27
86°
59°
28
79°
53°
29
78°
54°
30
77°
52°
1
80°
59°
2
87°
61°
3
88°
63°
4
91°
62°
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 58° to 91°, with overnight lows between 45° and 63°. The average high for June is 79° with an average low of 55°. 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.
