S
M
T
W
T
F
S
26
88°
72°
27
88°
75°
28
90°
73°
29
84°
68°
30
70°
63°
1
63°
54°
2
73°
50°
3
81°
53°
4
81°
64°
5
83°
72°
6
83°
64°
7
72°
60°
8
76°
65°
9
82°
69°
10
83°
71°
11
78°
64°
12
82°
59°
13
84°
61°
14
85°
64°
15
86°
64°
16
84°
65°
17
80°
67°
18
79°
68°
19
81°
68°
20
82°
69°
21
83°
66°
22
82°
63°
23
81°
63°
24
81°
66°
25
82°
65°
26
81°
64°
27
82°
64°
28
82°
65°
29
83°
70°
30
84°
70°
31
83°
71°
1
84°
71°
2
85°
70°
3
85°
72°
4
86°
72°
5
85°
71°
6
83°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sam Rayburn
Sam Rayburn's May 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 53° and 72°. The average high for May is 82° with an average low of 66°. 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 Sam Rayburn. See also: June | July | August.
