S
M
T
W
T
F
S
26
82°
58°
27
85°
62°
28
71°
53°
29
64°
49°
30
64°
45°
1
64°
46°
2
65°
42°
3
79°
42°
4
78°
60°
5
66°
45°
6
59°
45°
7
68°
39°
8
78°
48°
9
82°
50°
10
70°
51°
11
76°
44°
12
78°
49°
13
77°
54°
14
78°
54°
15
82°
63°
16
86°
72°
17
83°
70°
18
85°
74°
19
75°
59°
20
65°
58°
21
75°
60°
22
70°
61°
23
75°
58°
24
78°
57°
25
81°
60°
26
76°
63°
27
78°
64°
28
73°
63°
29
74°
60°
30
82°
61°
31
76°
59°
1
75°
59°
2
78°
58°
3
76°
61°
4
76°
60°
5
80°
62°
6
80°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Washburn
Washburn's May 2026 forecast shows daily high temperatures ranging from 73° to 82°, with overnight lows between 58° and 66°. The average high for May is 77° with an average low of 61°. 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 Washburn. See also: June | July | August.