S
M
T
W
T
F
S
26
60°
37°
27
71°
37°
28
65°
53°
29
55°
45°
30
50°
41°
1
50°
36°
2
48°
35°
3
58°
34°
4
74°
46°
5
70°
48°
6
49°
42°
7
54°
35°
8
57°
37°
9
67°
38°
10
57°
40°
11
54°
37°
12
57°
33°
13
67°
45°
14
47°
44°
15
68°
46°
16
78°
47°
17
83°
58°
18
89°
65°
19
86°
67°
20
65°
46°
21
55°
43°
22
60°
50°
23
56°
50°
24
64°
54°
25
64°
52°
26
70°
51°
27
71°
54°
28
70°
52°
29
70°
56°
30
71°
57°
31
70°
57°
1
73°
55°
2
72°
53°
3
76°
57°
4
75°
59°
5
76°
58°
6
75°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Irondequoit
Irondequoit's May 2026 forecast shows daily high temperatures ranging from 55° to 76°, with overnight lows between 43° and 59°. The average high for May is 69° with an average low of 53°. 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 Irondequoit. See also: June | July | August.