S
M
T
W
T
F
S
29
49°
23°
30
61°
29°
31
41°
33°
1
38°
28°
2
42°
26°
3
69°
36°
4
39°
31°
5
47°
28°
6
38°
17°
7
30°
20°
8
41°
32°
9
56°
41°
10
51°
34°
11
53°
33°
12
56°
40°
13
55°
41°
14
52°
35°
15
50°
37°
16
55°
37°
17
53°
35°
18
56°
32°
19
57°
39°
20
59°
38°
21
58°
38°
22
50°
40°
23
59°
41°
24
61°
36°
25
53°
34°
26
51°
30°
27
52°
30°
28
56°
32°
29
52°
33°
30
52°
33°
1
53°
34°
2
53°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Marathon
Marathon's April 2026 forecast shows daily high temperatures ranging from 30° to 61°, with overnight lows between 17° and 41°. The average high for April is 52° 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 Marathon. See also: May | June | July.
