S
M
T
W
T
F
S
26
61°
37°
27
55°
44°
28
58°
40°
29
45°
34°
30
42°
26°
1
42°
27°
2
57°
24°
3
67°
40°
4
66°
38°
5
46°
30°
6
47°
32°
7
50°
30°
8
60°
29°
9
57°
33°
10
53°
26°
11
54°
25°
12
70°
36°
13
59°
35°
14
67°
30°
15
80°
48°
16
78°
48°
17
49°
44°
18
76°
61°
19
65°
40°
20
57°
36°
21
57°
40°
22
57°
44°
23
63°
47°
24
70°
51°
25
74°
52°
26
77°
51°
27
77°
51°
28
76°
51°
29
74°
50°
30
77°
51°
31
73°
49°
1
75°
54°
2
74°
53°
3
66°
51°
4
67°
51°
5
73°
55°
6
76°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Birnamwood
Birnamwood's May 2026 forecast shows daily high temperatures ranging from 57° to 77°, with overnight lows between 36° and 61°. The average high for May is 70° with an average low of 50°. 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 Birnamwood. See also: June | July | August.
