S
M
T
W
T
F
S
26
84°
71°
27
90°
74°
28
88°
74°
29
78°
60°
30
67°
58°
1
60°
51°
2
74°
47°
3
78°
49°
4
83°
58°
5
86°
70°
6
75°
57°
7
66°
55°
8
79°
57°
9
88°
68°
10
89°
62°
11
79°
62°
12
84°
60°
13
89°
62°
14
90°
65°
15
87°
67°
16
86°
68°
17
85°
74°
18
90°
76°
19
93°
66°
20
82°
65°
21
78°
64°
22
85°
63°
23
83°
64°
24
88°
65°
25
84°
65°
26
85°
63°
27
80°
62°
28
91°
67°
29
94°
69°
30
89°
70°
31
93°
70°
1
95°
71°
2
91°
65°
3
91°
66°
4
90°
67°
5
89°
69°
6
90°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Buchanan Dam
Buchanan Dam's May 2026 forecast shows daily high temperatures ranging from 89° to 95°, with overnight lows between 65° and 71°. The average high for May is 91° with an average low of 68°. 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 Dam. See also: June | July | August.
