S
M
T
W
T
F
S
26
70°
52°
27
71°
55°
28
75°
59°
29
78°
56°
30
81°
60°
1
83°
60°
2
81°
58°
3
81°
60°
4
83°
63°
5
84°
63°
6
84°
62°
7
83°
64°
8
84°
64°
9
82°
63°
10
75°
62°
11
76°
59°
12
77°
56°
13
76°
60°
14
81°
65°
15
80°
65°
16
83°
67°
17
86°
67°
18
86°
64°
19
78°
61°
20
76°
62°
21
79°
68°
22
85°
66°
23
80°
64°
24
86°
69°
25
87°
70°
26
87°
69°
27
86°
65°
28
82°
64°
29
90°
68°
30
85°
67°
31
86°
64°
1
88°
70°
2
89°
65°
3
91°
64°
4
91°
69°
5
93°
71°
6
92°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sulphur Springs
Sulphur Springs's May 2026 forecast shows daily high temperatures ranging from 70° to 93°, with overnight lows between 52° and 71°. The average high for May is 83° with an average low of 64°. 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 Sulphur Springs. See also: June | July | August.