S
M
T
W
T
F
S
29
70°
57°
30
80°
59°
31
81°
65°
1
79°
68°
2
82°
65°
3
82°
66°
4
84°
69°
5
73°
59°
6
64°
51°
7
80°
51°
8
78°
52°
9
80°
53°
10
82°
53°
11
88°
55°
12
85°
56°
13
84°
60°
14
85°
63°
15
83°
58°
16
83°
57°
17
85°
59°
18
85°
60°
19
86°
61°
20
79°
51°
21
81°
57°
22
80°
56°
23
79°
57°
24
81°
57°
25
83°
56°
26
83°
58°
27
82°
57°
28
83°
57°
29
82°
56°
30
81°
57°
1
82°
58°
2
81°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in State Line
State Line's April 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 51° and 63°. The average high for April is 82° with an average low of 57°. 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 State Line. See also: May | June | July.