S
M
T
W
T
F
S
26
58°
51°
27
70°
50°
28
69°
49°
29
64°
58°
30
67°
45°
1
68°
44°
2
63°
42°
3
65°
38°
4
77°
47°
5
81°
53°
6
74°
61°
7
67°
48°
8
71°
41°
9
77°
45°
10
83°
49°
11
66°
50°
12
73°
44°
13
75°
48°
14
57°
41°
15
73°
52°
16
84°
60°
17
91°
60°
18
92°
62°
19
93°
68°
20
86°
63°
21
75°
53°
22
73°
55°
23
78°
59°
24
78°
60°
25
78°
60°
26
81°
63°
27
87°
57°
28
81°
63°
29
81°
63°
30
80°
62°
31
75°
58°
1
74°
58°
2
75°
56°
3
75°
56°
4
76°
58°
5
81°
64°
6
84°
65°
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 57° to 93°, with overnight lows between 41° and 68°. The average high for May is 80° with an average low of 59°. 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.
