S
M
T
W
T
F
S
26
57°
35°
27
55°
36°
28
54°
34°
29
54°
33°
30
55°
32°
1
55°
32°
2
53°
31°
3
54°
35°
4
53°
34°
5
54°
34°
6
56°
35°
7
57°
36°
8
58°
39°
9
58°
38°
10
57°
37°
11
57°
36°
12
58°
37°
13
60°
39°
14
60°
39°
15
61°
41°
16
60°
43°
17
62°
41°
18
61°
39°
19
64°
47°
20
70°
49°
21
71°
45°
22
63°
41°
23
63°
41°
24
65°
42°
25
68°
48°
26
75°
51°
27
74°
50°
28
75°
43°
29
71°
46°
30
75°
49°
31
67°
49°
1
68°
48°
2
68°
45°
3
70°
43°
4
66°
46°
5
68°
51°
6
76°
54°
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 53° to 76°, with overnight lows between 31° and 54°. The average high for May is 63° with an average low of 41°. 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.
