S
M
T
W
T
F
S
26
81°
61°
27
81°
59°
28
73°
66°
29
71°
64°
30
74°
58°
31
82°
55°
1
82°
60°
2
75°
68°
3
73°
54°
4
83°
57°
5
84°
67°
6
84°
65°
7
82°
66°
8
82°
62°
9
82°
65°
10
83°
64°
11
80°
62°
12
77°
59°
13
76°
60°
14
75°
61°
15
74°
58°
16
75°
59°
17
78°
57°
18
74°
54°
19
75°
59°
20
75°
54°
21
73°
52°
22
74°
57°
23
81°
60°
24
81°
60°
25
80°
59°
26
79°
59°
27
77°
58°
28
74°
59°
29
76°
59°
30
77°
58°
31
78°
57°
1
77°
52°
2
70°
49°
3
70°
49°
4
70°
50°
5
71°
49°
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 70° to 84°, with overnight lows between 49° and 67°. The average high for August 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 August weather will actually feel in Ithaca. See also: September | October | November.
