S
M
T
W
T
F
S
31
83°
65°
1
87°
65°
2
81°
68°
3
83°
65°
4
84°
69°
5
83°
69°
6
83°
71°
7
80°
68°
8
83°
68°
9
87°
69°
10
88°
70°
11
87°
69°
12
86°
66°
13
84°
67°
14
87°
66°
15
89°
67°
16
84°
65°
17
90°
70°
18
88°
68°
19
88°
70°
20
89°
69°
21
83°
64°
22
83°
70°
23
91°
72°
24
92°
72°
25
93°
71°
26
89°
71°
27
85°
70°
28
85°
71°
29
84°
71°
30
86°
70°
1
87°
70°
2
86°
71°
3
86°
71°
4
85°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Fort Leavenworth
Fort Leavenworth's June 2026 forecast shows daily high temperatures ranging from 80° to 93°, with overnight lows between 64° and 72°. The average high for June is 86° with an average low of 69°. 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 Leavenworth. See also: July | August | September.