S
M
T
W
T
F
S
29
80°
56°
30
83°
60°
31
84°
69°
1
84°
71°
2
83°
74°
3
85°
74°
4
85°
71°
5
71°
61°
6
74°
56°
7
78°
47°
8
82°
54°
9
81°
63°
10
81°
64°
11
84°
66°
12
83°
69°
13
84°
71°
14
83°
66°
15
86°
68°
16
86°
69°
17
84°
68°
18
82°
63°
19
72°
52°
20
74°
50°
21
72°
63°
22
80°
66°
23
83°
68°
24
83°
71°
25
86°
72°
26
86°
74°
27
84°
73°
28
85°
73°
29
86°
71°
30
82°
66°
1
76°
60°
2
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Sulphur
Sulphur's April 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 52° and 74°. The average high for April is 82° 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 April weather will actually feel in Sulphur. See also: May | June | July.