S
M
T
W
T
F
S
26
96°
72°
27
96°
68°
28
100°
69°
29
70°
57°
30
60°
54°
1
63°
52°
2
74°
46°
3
79°
50°
4
90°
61°
5
95°
57°
6
70°
51°
7
77°
48°
8
83°
58°
9
94°
63°
10
92°
61°
11
82°
55°
12
90°
58°
13
96°
64°
14
100°
76°
15
103°
72°
16
102°
74°
17
97°
75°
18
99°
70°
19
89°
66°
20
83°
63°
21
78°
60°
22
76°
61°
23
77°
64°
24
91°
66°
25
89°
68°
26
89°
68°
27
93°
69°
28
91°
69°
29
89°
68°
30
91°
68°
31
88°
67°
1
84°
68°
2
86°
68°
3
90°
69°
4
92°
69°
5
89°
68°
6
85°
69°
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 76° to 103°, with overnight lows between 60° and 76°. The average high for May is 90° with an average low of 68°. 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.
