S
M
T
W
T
F
S
26
62°
42°
27
66°
44°
28
66°
54°
29
54°
43°
30
56°
41°
1
50°
39°
2
49°
37°
3
65°
35°
4
77°
48°
5
64°
50°
6
54°
44°
7
56°
39°
8
66°
39°
9
71°
48°
10
62°
43°
11
57°
40°
12
60°
36°
13
50°
44°
14
64°
43°
15
68°
52°
16
77°
56°
17
78°
62°
18
87°
67°
19
79°
55°
20
64°
45°
21
65°
49°
22
68°
50°
23
67°
52°
24
69°
53°
25
73°
57°
26
74°
52°
27
68°
57°
28
73°
58°
29
75°
58°
30
74°
55°
31
67°
51°
1
68°
49°
2
67°
49°
3
68°
52°
4
70°
58°
5
77°
61°
6
80°
62°
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 50° to 87°, with overnight lows between 43° and 67°. The average high for May is 71° 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 May weather will actually feel in Rochester. See also: June | July | August.
