S
M
T
W
T
F
S
26
82°
65°
27
81°
59°
28
75°
62°
29
77°
63°
30
78°
60°
31
77°
56°
1
76°
57°
2
76°
57°
3
75°
58°
4
76°
57°
5
75°
56°
6
77°
58°
7
77°
59°
8
78°
65°
9
78°
65°
10
81°
61°
11
81°
64°
12
83°
62°
13
80°
58°
14
83°
56°
15
75°
56°
16
75°
60°
17
76°
57°
18
75°
56°
19
73°
55°
20
74°
56°
21
75°
57°
22
74°
56°
23
74°
57°
24
75°
59°
25
75°
58°
26
74°
64°
27
77°
64°
28
80°
61°
29
81°
54°
30
79°
56°
31
72°
54°
1
72°
54°
2
71°
61°
3
77°
53°
4
76°
53°
5
72°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Southwest Middlesex
Southwest Middlesex's August 2026 forecast shows daily high temperatures ranging from 71° to 83°, with overnight lows between 53° and 65°. The average high for August is 77° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Southwest Middlesex. See also: September | October | November.
