S
M
T
W
T
F
S
27
78°
68°
28
79°
67°
29
79°
68°
30
80°
69°
31
80°
68°
1
79°
67°
2
79°
67°
3
77°
65°
4
79°
66°
5
74°
66°
6
74°
65°
7
76°
64°
8
77°
66°
9
74°
65°
10
75°
64°
11
77°
64°
12
73°
66°
13
74°
66°
14
78°
65°
15
77°
67°
16
75°
67°
17
76°
67°
18
Hist. Avg.
76°
64°
19
Hist. Avg.
76°
64°
20
Hist. Avg.
76°
64°
21
Hist. Avg.
76°
64°
22
Hist. Avg.
76°
64°
23
Hist. Avg.
76°
64°
24
Hist. Avg.
76°
64°
25
Hist. Avg.
76°
64°
26
Hist. Avg.
76°
64°
27
Hist. Avg.
76°
64°
28
Hist. Avg.
76°
64°
29
Hist. Avg.
76°
65°
30
Hist. Avg.
76°
65°
31
Hist. Avg.
77°
65°
1
Hist. Avg.
77°
65°
2
Hist. Avg.
77°
65°
3
Hist. Avg.
77°
65°
4
Hist. Avg.
77°
65°
5
Hist. Avg.
77°
65°
6
Hist. Avg.
77°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Marathon
Marathon's January 2027 forecast shows daily high temperatures ranging from 73° to 80°, with overnight lows between 64° and 69°. The average high for January is 77° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Marathon. See also: February | March | April.
