S
M
T
W
T
F
S
26
78°
57°
27
84°
63°
28
80°
66°
29
78°
60°
30
80°
55°
31
85°
54°
1
79°
64°
2
82°
66°
3
77°
54°
4
84°
50°
5
86°
61°
6
84°
69°
7
83°
68°
8
84°
67°
9
84°
65°
10
81°
67°
11
75°
65°
12
75°
65°
13
79°
65°
14
82°
60°
15
83°
69°
16
80°
68°
17
77°
56°
18
78°
58°
19
81°
63°
20
75°
56°
21
76°
54°
22
74°
58°
23
77°
60°
24
79°
60°
25
76°
58°
26
76°
57°
27
75°
66°
28
74°
54°
29
75°
55°
30
77°
60°
31
79°
61°
1
82°
62°
2
83°
61°
3
82°
61°
4
81°
60°
5
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cortland
Cortland's August 2026 forecast shows daily high temperatures ranging from 74° to 83°, with overnight lows between 54° and 69°. The average high for August is 78° with an average low of 60°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Cortland. See also: September | October | November.
