S
M
T
W
T
F
S
26
91°
70°
27
93°
71°
28
93°
70°
29
90°
69°
30
85°
68°
31
81°
66°
1
86°
69°
2
87°
68°
3
86°
65°
4
88°
68°
5
89°
69°
6
88°
68°
7
87°
67°
8
81°
61°
9
80°
62°
10
83°
66°
11
88°
69°
12
87°
69°
13
88°
68°
14
88°
69°
15
87°
68°
16
83°
68°
17
86°
67°
18
88°
68°
19
87°
68°
20
88°
69°
21
76°
56°
22
77°
57°
23
78°
58°
24
79°
63°
25
85°
61°
26
84°
63°
27
85°
65°
28
86°
64°
29
88°
58°
30
78°
63°
31
77°
64°
1
87°
64°
2
86°
67°
3
87°
63°
4
88°
55°
5
84°
56°
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 76° to 93°, with overnight lows between 55° and 71°. The average high for August is 85° with an average low of 65°. 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.
