S
M
T
W
T
F
S
26
50°
42°
27
64°
38°
28
53°
46°
29
55°
49°
30
54°
39°
1
58°
34°
2
47°
35°
3
55°
32°
4
70°
44°
5
77°
53°
6
64°
46°
7
60°
44°
8
61°
38°
9
64°
51°
10
68°
46°
11
60°
41°
12
71°
38°
13
66°
46°
14
49°
43°
15
64°
43°
16
77°
43°
17
83°
61°
18
87°
55°
19
90°
67°
20
86°
57°
21
60°
51°
22
57°
49°
23
55°
54°
24
74°
56°
25
76°
58°
26
76°
55°
27
77°
54°
28
78°
55°
29
78°
53°
30
80°
56°
31
82°
55°
1
81°
52°
2
80°
57°
3
76°
56°
4
79°
55°
5
75°
53°
6
78°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Barton
Barton's May 2026 forecast shows daily high temperatures ranging from 55° to 90°, with overnight lows between 49° and 67°. The average high for May is 76° with an average low of 55°. 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 Barton. See also: June | July | August.