S
M
T
W
T
F
S
26
46°
37°
27
45°
36°
28
55°
37°
29
48°
32°
30
48°
32°
1
55°
28°
2
64°
27°
3
70°
41°
4
61°
37°
5
45°
32°
6
45°
34°
7
57°
32°
8
68°
28°
9
59°
36°
10
55°
36°
11
64°
30°
12
70°
37°
13
70°
41°
14
77°
37°
15
82°
46°
16
73°
45°
17
55°
41°
18
57°
39°
19
50°
34°
20
60°
34°
21
66°
38°
22
63°
42°
23
55°
41°
24
72°
51°
25
78°
52°
26
73°
51°
27
74°
50°
28
73°
50°
29
76°
53°
30
74°
52°
31
72°
53°
1
73°
46°
2
66°
50°
3
70°
50°
4
71°
51°
5
73°
52°
6
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Barnum
Barnum's May 2026 forecast shows daily high temperatures ranging from 50° to 78°, with overnight lows between 34° and 53°. The average high for May is 69° with an average low of 47°. 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 Barnum. See also: June | July | August.
