S
M
T
W
T
F
S
29
51°
30°
30
71°
36°
31
65°
45°
1
45°
34°
2
42°
32°
3
74°
38°
4
46°
35°
5
48°
34°
6
43°
29°
7
35°
26°
8
40°
34°
9
58°
39°
10
44°
34°
11
48°
37°
12
53°
46°
13
63°
54°
14
54°
40°
15
48°
34°
16
47°
37°
17
55°
41°
18
56°
40°
19
55°
39°
20
54°
36°
21
58°
43°
22
60°
43°
23
62°
44°
24
61°
38°
25
51°
34°
26
51°
38°
27
52°
35°
28
55°
39°
29
53°
37°
30
53°
39°
1
55°
38°
2
54°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Clarkson
Clarkson's April 2026 forecast shows daily high temperatures ranging from 35° to 63°, with overnight lows between 26° and 54°. The average high for April is 53° with an average low of 39°. 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 Clarkson. See also: May | June | July.
