S
M
T
W
T
F
S
26
83°
65°
27
84°
72°
28
82°
67°
29
70°
61°
30
68°
57°
1
66°
54°
2
73°
47°
3
80°
58°
4
82°
63°
5
82°
62°
6
67°
53°
7
68°
48°
8
76°
55°
9
82°
60°
10
82°
62°
11
80°
58°
12
77°
59°
13
85°
60°
14
87°
62°
15
83°
64°
16
82°
61°
17
78°
64°
18
78°
65°
19
81°
66°
20
82°
66°
21
84°
61°
22
78°
59°
23
78°
60°
24
79°
61°
25
77°
60°
26
78°
60°
27
79°
61°
28
80°
61°
29
81°
65°
30
83°
68°
31
82°
69°
1
82°
69°
2
83°
66°
3
82°
69°
4
84°
69°
5
82°
70°
6
83°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Relfs Bluff
Relfs Bluff's May 2026 forecast shows daily high temperatures ranging from 67° to 87°, with overnight lows between 48° and 70°. The average high for May is 80° with an average low of 62°. 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 Relfs Bluff. See also: June | July | August.