S
M
T
W
T
F
S
26
68°
39°
27
70°
50°
28
63°
50°
29
52°
36°
30
54°
32°
1
48°
34°
2
57°
30°
3
70°
45°
4
81°
41°
5
57°
41°
6
54°
30°
7
63°
32°
8
70°
32°
9
72°
39°
10
63°
32°
11
63°
37°
12
73°
39°
13
62°
37°
14
68°
50°
15
75°
57°
16
81°
57°
17
78°
65°
18
82°
62°
19
70°
47°
20
66°
48°
21
67°
49°
22
70°
49°
23
70°
49°
24
73°
53°
25
75°
56°
26
74°
51°
27
70°
56°
28
75°
56°
29
72°
54°
30
69°
52°
31
70°
50°
1
70°
48°
2
70°
48°
3
70°
50°
4
73°
58°
5
81°
60°
6
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Chemung
Chemung's May 2026 forecast shows daily high temperatures ranging from 62° to 82°, with overnight lows between 37° and 65°. The average high for May is 72° with an average low of 53°. 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 Chemung. See also: June | July | August.