S
M
T
W
T
F
S
26
77°
59°
27
81°
55°
28
70°
63°
29
72°
63°
30
75°
59°
31
81°
55°
1
81°
57°
2
73°
68°
3
72°
54°
4
79°
50°
5
84°
54°
6
86°
68°
7
82°
63°
8
82°
64°
9
77°
59°
10
79°
57°
11
77°
55°
12
77°
52°
13
77°
57°
14
79°
54°
15
77°
52°
16
77°
54°
17
79°
59°
18
77°
55°
19
77°
56°
20
74°
52°
21
79°
55°
22
76°
60°
23
72°
55°
24
71°
53°
25
73°
54°
26
74°
55°
27
72°
54°
28
71°
57°
29
73°
53°
30
75°
56°
31
73°
54°
1
75°
53°
2
71°
55°
3
71°
56°
4
72°
54°
5
68°
51°
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 68° to 79°, with overnight lows between 51° and 60°. The average high for August is 73° with an average low of 55°. 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.
