S
M
T
W
T
F
S
28
85°
64°
29
86°
63°
30
86°
57°
1
81°
56°
2
79°
55°
3
78°
56°
4
80°
58°
5
83°
60°
6
82°
63°
7
84°
64°
8
83°
61°
9
82°
65°
10
84°
63°
11
85°
64°
12
86°
62°
13
84°
64°
14
83°
65°
15
85°
64°
16
80°
64°
17
79°
63°
18
80°
64°
19
81°
65°
20
84°
66°
21
87°
63°
22
88°
62°
23
83°
60°
24
85°
58°
25
83°
55°
26
79°
56°
27
78°
56°
28
77°
57°
29
78°
55°
30
78°
56°
31
79°
57°
1
80°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Marcus
Marcus's July 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 55° and 66°. The average high for July is 82° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Marcus. See also: August | September | October.