S
M
T
W
T
F
S
26
55°
46°
27
62°
38°
28
62°
34°
29
65°
42°
30
67°
53°
1
61°
46°
2
58°
46°
3
58°
41°
4
73°
49°
5
78°
59°
6
73°
61°
7
70°
44°
8
64°
41°
9
71°
54°
10
78°
51°
11
65°
38°
12
65°
36°
13
69°
51°
14
64°
55°
15
66°
51°
16
77°
53°
17
85°
62°
18
88°
65°
19
86°
64°
20
86°
61°
21
69°
53°
22
62°
55°
23
76°
64°
24
81°
63°
25
74°
61°
26
76°
62°
27
78°
60°
28
78°
62°
29
79°
61°
30
78°
61°
31
80°
60°
1
81°
64°
2
78°
64°
3
75°
65°
4
78°
64°
5
77°
63°
6
77°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Middlesex
Middlesex's May 2026 forecast shows daily high temperatures ranging from 62° to 88°, with overnight lows between 53° and 65°. The average high for May is 78° with an average low of 62°. 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 Middlesex. See also: June | July | August.
