S
M
T
W
T
F
S
26
86°
64°
27
85°
64°
28
86°
63°
29
85°
62°
30
82°
57°
31
77°
56°
1
77°
62°
2
78°
61°
3
83°
62°
4
84°
62°
5
81°
63°
6
82°
62°
7
79°
60°
8
77°
60°
9
76°
59°
10
80°
59°
11
82°
61°
12
83°
62°
13
84°
63°
14
85°
57°
15
81°
64°
16
85°
58°
17
84°
53°
18
76°
52°
19
74°
51°
20
75°
52°
21
76°
52°
22
76°
53°
23
77°
52°
24
76°
53°
25
79°
56°
26
81°
58°
27
81°
52°
28
74°
50°
29
74°
52°
30
75°
58°
31
78°
51°
1
77°
50°
2
74°
49°
3
73°
51°
4
76°
59°
5
80°
53°
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 73° to 86°, with overnight lows between 49° and 64°. The average high for August is 79° with an average low of 57°. 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.
