S
M
T
W
T
F
S
29
86°
45°
30
90°
52°
31
86°
59°
1
82°
55°
2
84°
52°
3
88°
57°
4
68°
48°
5
68°
41°
6
70°
39°
7
66°
50°
8
81°
45°
9
84°
50°
10
88°
58°
11
73°
56°
12
86°
57°
13
86°
58°
14
83°
49°
15
83°
48°
16
85°
53°
17
81°
52°
18
80°
53°
19
83°
54°
20
89°
53°
21
88°
54°
22
86°
51°
23
80°
45°
24
77°
48°
25
77°
48°
26
83°
51°
27
84°
51°
28
84°
52°
29
83°
51°
30
82°
51°
1
84°
50°
2
77°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Lake Arthur
Lake Arthur's April 2026 forecast shows daily high temperatures ranging from 73° to 89°, with overnight lows between 45° and 58°. The average high for April is 83° with an average low of 52°. 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 Lake Arthur. See also: May | June | July.
