S
M
T
W
T
F
S
26
89°
62°
27
88°
61°
28
89°
63°
29
90°
63°
30
90°
62°
31
85°
57°
1
78°
56°
2
83°
59°
3
88°
62°
4
89°
62°
5
86°
61°
6
82°
59°
7
85°
61°
8
88°
62°
9
88°
62°
10
87°
61°
11
87°
61°
12
81°
59°
13
83°
60°
14
86°
60°
15
84°
61°
16
82°
58°
17
82°
59°
18
83°
60°
19
86°
61°
20
87°
61°
21
86°
59°
22
86°
59°
23
85°
58°
24
86°
56°
25
85°
49°
26
75°
50°
27
73°
47°
28
75°
54°
29
82°
57°
30
84°
49°
31
72°
51°
1
74°
51°
2
74°
48°
3
75°
47°
4
81°
51°
5
78°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in McGuire
McGuire's August 2026 forecast shows daily high temperatures ranging from 72° to 90°, with overnight lows between 47° and 63°. The average high for August is 83° with an average low of 57°. 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 McGuire. See also: September | October | November.