S
M
T
W
T
F
S
26
59°
35°
27
71°
35°
28
63°
51°
29
59°
46°
30
51°
37°
1
50°
35°
2
48°
35°
3
57°
33°
4
74°
48°
5
73°
46°
6
48°
43°
7
52°
32°
8
56°
35°
9
63°
41°
10
61°
37°
11
54°
33°
12
58°
33°
13
69°
44°
14
49°
42°
15
67°
43°
16
81°
59°
17
79°
59°
18
89°
69°
19
85°
64°
20
69°
38°
21
56°
40°
22
64°
49°
23
69°
50°
24
70°
53°
25
69°
54°
26
68°
53°
27
70°
54°
28
72°
53°
29
67°
51°
30
74°
57°
31
75°
56°
1
68°
53°
2
69°
57°
3
68°
57°
4
71°
56°
5
69°
56°
6
71°
58°
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 56° to 89°, with overnight lows between 38° and 69°. The average high for May is 72° with an average low of 54°. 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.
