S
M
T
W
T
F
S
29
82°
45°
30
82°
46°
31
63°
37°
1
54°
36°
2
75°
32°
3
57°
30°
4
64°
27°
5
68°
32°
6
59°
32°
7
73°
32°
8
63°
39°
9
77°
39°
10
64°
32°
11
81°
41°
12
77°
37°
13
75°
45°
14
66°
41°
15
70°
37°
16
79°
35°
17
42°
23°
18
59°
29°
19
73°
39°
20
80°
45°
21
87°
45°
22
87°
42°
23
76°
36°
24
56°
29°
25
49°
28°
26
56°
32°
27
67°
36°
28
69°
37°
29
65°
34°
30
65°
36°
1
59°
32°
2
64°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Shamrock
Shamrock's April 2026 forecast shows daily high temperatures ranging from 42° to 87°, with overnight lows between 23° and 45°. The average high for April is 67° with an average low of 35°. 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 Shamrock. See also: May | June | July.