S
M
T
W
T
F
S
29
37°
23°
30
42°
29°
31
36°
29°
1
29°
23°
2
30°
28°
3
34°
27°
4
32°
23°
5
44°
23°
6
32°
18°
7
41°
14°
8
36°
31°
9
39°
30°
10
N/A
11
45°
34°
12
58°
40°
13
51°
34°
14
42°
33°
15
50°
36°
16
55°
35°
17
43°
28°
18
33°
24°
19
42°
30°
20
50°
38°
21
52°
38°
22
51°
35°
23
50°
33°
24
43°
34°
25
43°
32°
26
44°
28°
27
45°
31°
28
46°
39°
29
47°
40°
30
56°
38°
1
48°
34°
2
47°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Split Rock Lighthouse State Park
Split Rock Lighthouse State Park's April 2026 forecast shows daily high temperatures ranging from 33° to 58°, with overnight lows between 24° and 40°. The average high for April is 47° with an average low of 34°. 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 Split Rock Lighthouse State Park. See also: May | June | July.
