S
M
T
W
T
F
S
26
61°
49°
27
67°
48°
28
61°
52°
29
58°
39°
30
57°
35°
1
52°
37°
2
53°
34°
3
59°
41°
4
76°
51°
5
56°
46°
6
56°
44°
7
58°
37°
8
62°
46°
9
72°
50°
10
63°
46°
11
66°
39°
12
75°
39°
13
61°
43°
14
65°
38°
15
68°
44°
16
82°
61°
17
83°
63°
18
83°
66°
19
82°
66°
20
68°
52°
21
67°
48°
22
71°
52°
23
64°
55°
24
69°
53°
25
79°
52°
26
81°
57°
27
81°
58°
28
78°
52°
29
79°
52°
30
76°
50°
31
76°
51°
1
76°
53°
2
75°
54°
3
78°
59°
4
77°
59°
5
79°
58°
6
77°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rochester
Rochester's May 2026 forecast shows daily high temperatures ranging from 75° to 81°, with overnight lows between 50° and 61°. The average high for May is 78° with an average low of 55°. 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 Rochester. See also: June | July | August.
