S
M
T
W
T
F
S
26
58°
35°
27
73°
33°
28
64°
50°
29
56°
45°
30
50°
39°
1
51°
35°
2
47°
30°
3
53°
42°
4
64°
53°
5
68°
50°
6
54°
39°
7
48°
35°
8
48°
36°
9
53°
42°
10
57°
44°
11
59°
42°
12
59°
44°
13
58°
46°
14
61°
45°
15
61°
41°
16
62°
44°
17
62°
42°
18
63°
50°
19
69°
50°
20
68°
49°
21
71°
51°
22
70°
50°
23
64°
50°
24
69°
45°
25
63°
42°
26
64°
47°
27
64°
51°
28
65°
53°
29
71°
52°
30
67°
50°
31
69°
45°
1
65°
45°
2
65°
46°
3
66°
45°
4
66°
46°
5
67°
46°
6
66°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Northwest Ithaca
Northwest Ithaca's May 2026 forecast shows daily high temperatures ranging from 47° to 71°, with overnight lows between 30° and 53°. The average high for May is 62° with an average low of 45°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Northwest Ithaca. See also: June | July | August.
