S
M
T
W
T
F
S
28
71°
54°
29
72°
53°
30
72°
54°
1
73°
53°
2
74°
61°
3
74°
59°
4
75°
56°
5
74°
55°
6
75°
60°
7
81°
63°
8
82°
63°
9
82°
62°
10
78°
62°
11
79°
63°
12
82°
60°
13
75°
57°
14
76°
58°
15
76°
62°
16
82°
61°
17
76°
55°
18
74°
55°
19
76°
62°
20
76°
62°
21
77°
61°
22
75°
60°
23
76°
57°
24
76°
56°
25
77°
58°
26
79°
61°
27
82°
57°
28
78°
55°
29
75°
60°
30
81°
61°
31
78°
55°
1
81°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Cortland
Cortland's July 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 53° and 63°. The average high for July is 77° with an average low of 58°. 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 Cortland. See also: August | September | October.