S
M
T
W
T
F
S
26
55°
35°
27
59°
34°
28
62°
39°
29
66°
37°
30
71°
37°
1
75°
37°
2
78°
45°
3
77°
42°
4
76°
47°
5
72°
48°
6
77°
43°
7
72°
47°
8
69°
49°
9
71°
46°
10
72°
43°
11
73°
46°
12
81°
44°
13
66°
46°
14
60°
43°
15
57°
37°
16
51°
39°
17
59°
36°
18
63°
41°
19
67°
44°
20
72°
47°
21
71°
42°
22
75°
47°
23
79°
48°
24
79°
49°
25
83°
46°
26
61°
47°
27
75°
50°
28
78°
52°
29
71°
47°
30
68°
44°
31
66°
48°
1
76°
52°
2
82°
55°
3
82°
52°
4
79°
54°
5
70°
49°
6
73°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in McGuire
McGuire's May 2026 forecast shows daily high temperatures ranging from 61° to 83°, with overnight lows between 44° and 55°. The average high for May is 75° with an average low of 49°. 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 McGuire. See also: June | July | August.