S
M
T
W
T
F
S
26
61°
40°
27
60°
36°
28
55°
36°
29
57°
40°
30
54°
36°
1
54°
33°
2
55°
35°
3
55°
34°
4
57°
36°
5
58°
34°
6
60°
37°
7
63°
37°
8
63°
38°
9
64°
38°
10
61°
37°
11
59°
34°
12
60°
35°
13
59°
35°
14
60°
37°
15
65°
39°
16
63°
39°
17
60°
36°
18
61°
39°
19
65°
43°
20
71°
45°
21
71°
45°
22
64°
41°
23
63°
42°
24
69°
45°
25
65°
39°
26
69°
44°
27
73°
44°
28
76°
46°
29
75°
42°
30
74°
41°
31
74°
42°
1
75°
44°
2
76°
50°
3
78°
47°
4
73°
47°
5
77°
44°
6
76°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Long Barn
Long Barn's May 2026 forecast shows daily high temperatures ranging from 54° to 78°, with overnight lows between 33° and 50°. The average high for May is 65° with an average low of 40°. 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 Long Barn. See also: June | July | August.