S
M
T
W
T
F
S
31
81°
64°
1
89°
66°
2
88°
59°
3
85°
60°
4
83°
61°
5
84°
66°
6
90°
70°
7
93°
64°
8
92°
66°
9
85°
69°
10
93°
66°
11
90°
71°
12
93°
71°
13
94°
70°
14
94°
61°
15
89°
64°
16
86°
65°
17
87°
64°
18
86°
64°
19
87°
66°
20
92°
70°
21
95°
68°
22
94°
73°
23
95°
72°
24
88°
73°
25
94°
74°
26
96°
73°
27
96°
71°
28
95°
70°
29
92°
70°
30
90°
72°
1
90°
74°
2
96°
75°
3
93°
74°
4
98°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Fort Sill
Fort Sill's June 2026 forecast shows daily high temperatures ranging from 81° to 98°, with overnight lows between 59° and 75°. The average high for June is 91° with an average low of 68°. 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 Sill. See also: July | August | September.
