S
M
T
W
T
F
S
28
69°
64°
29
84°
71°
30
95°
75°
1
99°
73°
2
97°
75°
3
91°
67°
4
86°
64°
5
83°
63°
6
84°
62°
7
81°
61°
8
80°
62°
9
83°
63°
10
81°
64°
11
82°
63°
12
80°
60°
13
75°
58°
14
74°
57°
15
75°
61°
16
76°
64°
17
77°
64°
18
79°
65°
19
76°
64°
20
79°
65°
21
81°
66°
22
80°
66°
23
83°
65°
24
82°
66°
25
83°
66°
26
84°
67°
27
83°
67°
28
82°
66°
29
83°
64°
30
78°
60°
31
75°
58°
1
75°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Southwest Middlesex
Southwest Middlesex's July 2026 forecast shows daily high temperatures ranging from 74° to 99°, with overnight lows between 57° and 75°. The average high for July is 82° with an average low of 65°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Southwest Middlesex. See also: August | September | October.