S
M
T
W
T
F
S
26
51°
41°
27
53°
41°
28
57°
39°
29
47°
32°
30
43°
26°
1
50°
22°
2
61°
22°
3
68°
46°
4
60°
41°
5
47°
33°
6
43°
33°
7
53°
28°
8
65°
24°
9
54°
30°
10
52°
27°
11
61°
21°
12
69°
45°
13
67°
39°
14
73°
30°
15
84°
54°
16
76°
42°
17
64°
41°
18
62°
41°
19
49°
35°
20
62°
37°
21
66°
39°
22
60°
44°
23
61°
44°
24
65°
48°
25
72°
50°
26
74°
49°
27
72°
51°
28
72°
51°
29
70°
48°
30
74°
52°
31
70°
45°
1
73°
50°
2
67°
49°
3
65°
48°
4
66°
50°
5
71°
51°
6
71°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Barnes
Barnes's May 2026 forecast shows daily high temperatures ranging from 49° to 74°, with overnight lows between 35° and 52°. The average high for May is 67° 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 Barnes. See also: June | July | August.