S
M
T
W
T
F
S
26
83°
63°
27
82°
58°
28
80°
58°
29
82°
59°
30
84°
61°
31
85°
60°
1
83°
57°
2
81°
58°
3
82°
58°
4
81°
57°
5
81°
58°
6
82°
60°
7
82°
60°
8
83°
61°
9
80°
64°
10
82°
64°
11
81°
63°
12
81°
59°
13
86°
63°
14
87°
56°
15
81°
57°
16
81°
58°
17
85°
61°
18
86°
58°
19
81°
57°
20
80°
55°
21
81°
56°
22
80°
58°
23
79°
61°
24
79°
56°
25
80°
61°
26
83°
62°
27
85°
62°
28
86°
61°
29
86°
57°
30
85°
53°
31
78°
55°
1
78°
56°
2
80°
60°
3
83°
59°
4
82°
55°
5
78°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in McArthur
McArthur's August 2026 forecast shows daily high temperatures ranging from 78° to 87°, with overnight lows between 53° and 64°. The average high for August is 82° 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 McArthur. See also: September | October | November.
