S
M
T
W
T
F
S
31
90°
82°
1
88°
79°
2
90°
82°
3
86°
74°
4
85°
77°
5
83°
79°
6
87°
77°
7
87°
79°
8
87°
79°
9
88°
81°
10
86°
80°
11
86°
78°
12
86°
80°
13
86°
80°
14
87°
82°
15
87°
81°
16
88°
83°
17
88°
84°
18
88°
84°
19
88°
84°
20
89°
81°
21
89°
83°
22
90°
83°
23
89°
83°
24
89°
80°
25
91°
83°
26
89°
80°
27
89°
82°
28
90°
82°
29
90°
84°
30
92°
79°
1
89°
82°
2
89°
84°
3
90°
82°
4
90°
83°
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 90° to 90°, with overnight lows between 82° and 83°. The average high for June is 90° with an average low of 83°. 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.
