S
M
T
W
T
F
S
26
58°
40°
27
57°
40°
28
62°
46°
29
68°
49°
30
68°
51°
1
71°
47°
2
61°
43°
3
63°
42°
4
60°
40°
5
62°
50°
6
65°
52°
7
71°
53°
8
73°
48°
9
63°
46°
10
63°
47°
11
64°
52°
12
66°
48°
13
70°
53°
14
72°
53°
15
75°
56°
16
74°
55°
17
73°
54°
18
70°
48°
19
66°
46°
20
69°
54°
21
71°
57°
22
71°
48°
23
71°
49°
24
73°
51°
25
74°
53°
26
73°
49°
27
74°
51°
28
76°
54°
29
79°
54°
30
80°
55°
31
73°
55°
1
72°
56°
2
75°
54°
3
75°
60°
4
80°
61°
5
82°
62°
6
82°
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 57° to 82°, with overnight lows between 40° and 62°. The average high for May is 70° with an average low of 51°. 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.
