S
M
T
W
T
F
S
26
82°
55°
27
70°
61°
28
70°
62°
29
66°
51°
30
64°
44°
1
61°
47°
2
59°
42°
3
70°
40°
4
79°
57°
5
69°
46°
6
61°
46°
7
65°
42°
8
75°
51°
9
78°
55°
10
73°
56°
11
76°
48°
12
83°
48°
13
75°
56°
14
71°
45°
15
81°
51°
16
84°
66°
17
87°
67°
18
85°
67°
19
89°
67°
20
70°
60°
21
70°
60°
22
67°
62°
23
74°
62°
24
78°
62°
25
82°
65°
26
76°
66°
27
81°
65°
28
83°
61°
29
79°
62°
30
79°
59°
31
75°
57°
1
77°
59°
2
76°
60°
3
79°
62°
4
79°
62°
5
81°
65°
6
82°
66°
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 83°, with overnight lows between 57° and 66°. The average high for May is 79° with an average low of 62°. 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.
