S
M
T
W
T
F
S
29
68°
34°
30
70°
57°
31
79°
63°
1
78°
61°
2
84°
55°
3
82°
63°
4
82°
55°
5
58°
38°
6
66°
38°
7
58°
32°
8
71°
46°
9
76°
50°
10
74°
48°
11
78°
51°
12
81°
55°
13
78°
54°
14
78°
54°
15
76°
53°
16
75°
53°
17
70°
48°
18
69°
41°
19
72°
49°
20
74°
49°
21
74°
48°
22
75°
50°
23
76°
49°
24
74°
48°
25
74°
43°
26
71°
50°
27
69°
46°
28
66°
44°
29
67°
41°
30
66°
42°
1
67°
48°
2
68°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Sizerock
Sizerock's April 2026 forecast shows daily high temperatures ranging from 58° to 81°, with overnight lows between 32° and 55°. The average high for April is 71° with an average low of 47°. 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 Sizerock. See also: May | June | July.