S
M
T
W
T
F
S
26
88°
66°
27
85°
65°
28
82°
59°
29
83°
53°
30
91°
55°
31
86°
57°
1
73°
66°
2
79°
59°
3
82°
53°
4
85°
55°
5
77°
60°
6
79°
66°
7
86°
64°
8
86°
57°
9
78°
53°
10
86°
62°
11
82°
59°
12
84°
61°
13
80°
59°
14
85°
61°
15
81°
56°
16
89°
69°
17
83°
55°
18
85°
53°
19
80°
55°
20
82°
55°
21
81°
54°
22
80°
59°
23
73°
49°
24
76°
50°
25
79°
54°
26
80°
61°
27
78°
55°
28
77°
51°
29
75°
55°
30
75°
57°
31
76°
55°
1
74°
53°
2
77°
54°
3
76°
55°
4
77°
52°
5
74°
52°
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 80°, with overnight lows between 49° and 61°. The average high for August is 76° with an average low of 54°. 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.
