S
M
T
W
T
F
S
29
84°
54°
30
87°
58°
31
85°
62°
1
89°
62°
2
84°
61°
3
85°
56°
4
63°
47°
5
53°
45°
6
67°
36°
7
68°
49°
8
77°
45°
9
79°
53°
10
81°
54°
11
69°
56°
12
81°
56°
13
82°
54°
14
83°
57°
15
80°
54°
16
86°
47°
17
84°
56°
18
67°
46°
19
57°
44°
20
68°
49°
21
84°
47°
22
87°
57°
23
86°
56°
24
85°
51°
25
88°
56°
26
90°
63°
27
92°
66°
28
92°
65°
29
89°
60°
30
75°
58°
1
73°
44°
2
67°
44°
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 67° to 92°, with overnight lows between 44° and 66°. The average high for April is 83° with an average low of 57°. 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.
