S
M
T
W
T
F
S
26
54°
39°
27
61°
43°
28
52°
43°
29
50°
45°
30
57°
46°
1
61°
46°
2
59°
41°
3
54°
39°
4
63°
39°
5
64°
48°
6
68°
54°
7
61°
48°
8
59°
41°
9
63°
39°
10
70°
52°
11
57°
45°
12
59°
43°
13
63°
46°
14
61°
50°
15
51°
46°
16
69°
55°
17
75°
52°
18
71°
53°
19
74°
60°
20
77°
55°
21
65°
48°
22
64°
50°
23
65°
47°
24
66°
50°
25
70°
53°
26
73°
54°
27
72°
52°
28
63°
50°
29
64°
50°
30
64°
55°
31
67°
55°
1
66°
54°
2
66°
53°
3
67°
52°
4
66°
50°
5
67°
55°
6
68°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cataumet
Cataumet's May 2026 forecast shows daily high temperatures ranging from 51° to 77°, with overnight lows between 46° and 60°. The average high for May is 67° with an average low of 52°. 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 Cataumet. See also: June | July | August.
