S
M
T
W
T
F
S
26
41°
19°
27
49°
15°
28
58°
24°
29
61°
21°
30
69°
21°
1
77°
27°
2
68°
36°
3
77°
32°
4
57°
30°
5
52°
26°
6
69°
48°
7
70°
45°
8
74°
49°
9
61°
44°
10
72°
47°
11
72°
50°
12
70°
46°
13
65°
42°
14
75°
49°
15
70°
46°
16
71°
46°
17
68°
42°
18
72°
46°
19
63°
44°
20
63°
43°
21
64°
41°
22
73°
47°
23
74°
49°
24
71°
48°
25
71°
48°
26
74°
49°
27
65°
48°
28
66°
48°
29
66°
43°
30
70°
47°
31
75°
50°
1
77°
52°
2
78°
53°
3
78°
53°
4
77°
52°
5
76°
53°
6
78°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Big Sandy
Big Sandy's May 2026 forecast shows daily high temperatures ranging from 52° to 78°, with overnight lows between 26° and 53°. The average high for May is 70° with an average low of 46°. 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 Big Sandy. See also: June | July | August.