S
M
T
W
T
F
S
26
63°
39°
27
72°
39°
28
66°
43°
29
64°
48°
30
59°
46°
1
63°
39°
2
57°
46°
3
59°
39°
4
72°
45°
5
82°
54°
6
70°
52°
7
61°
48°
8
59°
41°
9
55°
45°
10
68°
45°
11
59°
43°
12
66°
37°
13
68°
48°
14
64°
46°
15
66°
46°
16
79°
48°
17
88°
63°
18
93°
64°
19
93°
70°
20
88°
63°
21
63°
52°
22
66°
48°
23
57°
48°
24
57°
48°
25
79°
55°
26
81°
50°
27
84°
64°
28
70°
54°
29
77°
51°
30
64°
43°
31
75°
52°
1
71°
50°
2
72°
49°
3
74°
51°
4
81°
56°
5
86°
60°
6
84°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Buchanan
Buchanan's May 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 43° and 60°. The average high for May is 76° with an average low of 52°. 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.
