S
M
T
W
T
F
S
26
71°
49°
27
68°
46°
28
56°
40°
29
59°
40°
30
56°
37°
1
54°
33°
2
66°
27°
3
74°
49°
4
77°
46°
5
59°
43°
6
56°
32°
7
67°
40°
8
77°
36°
9
69°
42°
10
72°
34°
11
76°
33°
12
80°
58°
13
77°
48°
14
81°
50°
15
91°
56°
16
82°
65°
17
81°
61°
18
70°
58°
19
61°
41°
20
58°
36°
21
59°
49°
22
66°
48°
23
73°
53°
24
85°
60°
25
83°
59°
26
86°
59°
27
84°
60°
28
84°
59°
29
74°
60°
30
76°
58°
31
78°
54°
1
77°
55°
2
80°
56°
3
78°
58°
4
80°
59°
5
81°
60°
6
77°
57°
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 74° to 86°, with overnight lows between 54° and 60°. The average high for May is 80° with an average low of 58°. 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.
