S
M
T
W
T
F
S
31
68°
44°
1
60°
35°
2
62°
35°
3
61°
34°
4
63°
41°
5
68°
46°
6
70°
49°
7
73°
49°
8
74°
48°
9
74°
46°
10
71°
47°
11
66°
38°
12
68°
49°
13
72°
50°
14
73°
52°
15
76°
49°
16
74°
49°
17
75°
50°
18
75°
49°
19
73°
49°
20
74°
47°
21
68°
47°
22
72°
51°
23
73°
52°
24
74°
51°
25
73°
50°
26
74°
52°
27
74°
52°
28
75°
51°
29
76°
52°
30
76°
54°
1
75°
54°
2
78°
52°
3
76°
54°
4
77°
55°
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 60° to 78°, with overnight lows between 34° and 55°. The average high for June is 72° with an average low of 48°. 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.
