S
M
T
W
T
F
S
26
67°
52°
27
67°
53°
28
77°
49°
29
79°
52°
30
79°
53°
1
81°
57°
2
82°
56°
3
70°
57°
4
68°
55°
5
66°
53°
6
78°
49°
7
84°
57°
8
83°
57°
9
86°
57°
10
89°
57°
11
96°
60°
12
74°
57°
13
79°
58°
14
78°
55°
15
74°
57°
16
73°
59°
17
68°
59°
18
83°
56°
19
90°
55°
20
91°
60°
21
87°
59°
22
81°
58°
23
81°
58°
24
77°
57°
25
76°
55°
26
69°
54°
27
71°
53°
28
71°
54°
29
80°
56°
30
85°
58°
31
84°
59°
1
90°
61°
2
85°
60°
3
84°
60°
4
85°
61°
5
83°
60°
6
81°
59°
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 69° to 90°, with overnight lows between 53° and 61°. The average high for May is 80° with an average low of 58°. 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.
