S
M
T
W
T
F
S
26
68°
29°
27
69°
37°
28
67°
39°
29
74°
40°
30
77°
38°
1
78°
55°
2
80°
51°
3
84°
53°
4
85°
52°
5
81°
51°
6
84°
45°
7
82°
43°
8
76°
43°
9
80°
46°
10
83°
48°
11
80°
44°
12
80°
45°
13
79°
44°
14
71°
39°
15
73°
39°
16
70°
42°
17
68°
42°
18
66°
41°
19
68°
40°
20
68°
42°
21
66°
42°
22
66°
37°
23
71°
39°
24
76°
43°
25
77°
45°
26
78°
46°
27
76°
43°
28
74°
42°
29
73°
43°
30
77°
48°
31
72°
45°
1
68°
44°
2
72°
43°
3
73°
45°
4
69°
43°
5
70°
43°
6
76°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Leavenworth
Leavenworth's May 2026 forecast shows daily high temperatures ranging from 66° to 85°, with overnight lows between 37° and 55°. The average high for May is 75° with an average low of 44°. 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 Leavenworth. See also: June | July | August.