S
M
T
W
T
F
S
26
74°
57°
27
74°
50°
28
61°
44°
29
61°
42°
30
66°
42°
1
65°
34°
2
63°
37°
3
80°
42°
4
82°
52°
5
60°
46°
6
60°
44°
7
69°
39°
8
64°
50°
9
84°
48°
10
69°
46°
11
79°
45°
12
81°
57°
13
78°
48°
14
78°
53°
15
87°
63°
16
88°
65°
17
84°
64°
18
82°
61°
19
65°
52°
20
65°
45°
21
65°
55°
22
70°
59°
23
77°
58°
24
81°
50°
25
83°
56°
26
81°
60°
27
84°
63°
28
83°
66°
29
81°
67°
30
80°
66°
31
83°
65°
1
87°
66°
2
84°
61°
3
81°
61°
4
84°
69°
5
80°
69°
6
78°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fort Leavenworth
Fort Leavenworth's May 2026 forecast shows daily high temperatures ranging from 78° to 87°, with overnight lows between 61° and 69°. The average high for May is 82° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Fort Leavenworth. See also: June | July | August.