S
M
T
W
T
F
S
26
36°
23°
27
36°
21°
28
39°
28°
29
48°
23°
30
54°
25°
1
68°
36°
2
61°
39°
3
68°
37°
4
43°
32°
5
41°
27°
6
46°
23°
7
61°
28°
8
55°
34°
9
54°
27°
10
61°
28°
11
70°
43°
12
72°
41°
13
81°
39°
14
68°
52°
15
50°
30°
16
54°
30°
17
37°
32°
18
43°
32°
19
N/A
20
65°
40°
21
61°
45°
22
63°
45°
23
66°
48°
24
75°
52°
25
81°
53°
26
79°
53°
27
77°
51°
28
73°
52°
29
75°
50°
30
71°
51°
31
73°
52°
1
76°
53°
2
69°
43°
3
68°
47°
4
61°
44°
5
61°
44°
6
62°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Buchanan
Buchanan's May 2026 forecast shows daily high temperatures ranging from 61° to 81°, with overnight lows between 40° and 53°. The average high for May is 70° with an average low of 48°. 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 Buchanan. See also: June | July | August.
