S
M
T
W
T
F
S
26
81°
62°
27
82°
62°
28
82°
61°
29
78°
62°
30
79°
61°
31
82°
62°
1
82°
62°
2
80°
60°
3
84°
62°
4
83°
62°
5
83°
57°
6
76°
58°
7
80°
56°
8
76°
54°
9
76°
54°
10
75°
53°
11
76°
60°
12
82°
61°
13
82°
58°
14
81°
53°
15
75°
52°
16
76°
58°
17
78°
60°
18
75°
53°
19
75°
52°
20
77°
52°
21
77°
53°
22
80°
56°
23
81°
54°
24
81°
56°
25
79°
58°
26
80°
59°
27
81°
58°
28
80°
57°
29
80°
59°
30
81°
51°
31
75°
48°
1
73°
48°
2
72°
49°
3
72°
47°
4
73°
48°
5
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Ithaca
Ithaca's August 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 47° and 62°. The average high for August is 78° with an average low of 56°. 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 Ithaca. See also: September | October | November.
