S
M
T
W
T
F
S
31
63°
35°
1
74°
44°
2
70°
39°
3
64°
47°
4
60°
47°
5
63°
50°
6
67°
48°
7
71°
54°
8
68°
51°
9
67°
49°
10
62°
46°
11
61°
47°
12
63°
49°
13
65°
48°
14
62°
49°
15
74°
48°
16
75°
49°
17
77°
53°
18
80°
54°
19
84°
55°
20
85°
55°
21
86°
56°
22
81°
56°
23
79°
52°
24
77°
50°
25
78°
50°
26
78°
56°
27
80°
55°
28
79°
56°
29
83°
56°
30
85°
55°
1
82°
58°
2
86°
58°
3
82°
57°
4
80°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Marathon
Marathon's June 2026 forecast shows daily high temperatures ranging from 60° to 86°, with overnight lows between 39° and 58°. The average high for June is 74° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Marathon. See also: July | August | September.
