S
M
T
W
T
F
S
31
94°
73°
1
98°
74°
2
91°
66°
3
88°
65°
4
90°
67°
5
87°
70°
6
86°
72°
7
85°
71°
8
88°
74°
9
93°
73°
10
91°
74°
11
94°
73°
12
91°
73°
13
93°
72°
14
100°
76°
15
93°
73°
16
92°
72°
17
91°
72°
18
89°
71°
19
85°
72°
20
86°
73°
21
87°
73°
22
90°
72°
23
87°
68°
24
88°
71°
25
91°
74°
26
92°
74°
27
90°
73°
28
91°
74°
29
93°
74°
30
94°
73°
1
94°
75°
2
95°
75°
3
95°
74°
4
94°
75°
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 85° to 100°, with overnight lows between 65° and 76°. The average high for June is 91° with an average low of 72°. 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.
