S
M
T
W
T
F
S
26
80°
67°
27
84°
63°
28
83°
69°
29
80°
61°
30
83°
54°
31
84°
59°
1
79°
69°
2
81°
66°
3
81°
66°
4
83°
67°
5
82°
66°
6
86°
64°
7
85°
66°
8
87°
65°
9
84°
64°
10
83°
64°
11
84°
64°
12
82°
60°
13
85°
61°
14
84°
58°
15
78°
57°
16
78°
56°
17
86°
64°
18
85°
63°
19
87°
64°
20
86°
63°
21
85°
62°
22
86°
63°
23
87°
64°
24
86°
63°
25
85°
63°
26
83°
62°
27
84°
63°
28
82°
61°
29
80°
62°
30
82°
61°
31
83°
61°
1
84°
60°
2
81°
56°
3
78°
56°
4
80°
57°
5
81°
56°
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 56° and 69°. The average high for August is 83° with an average low of 62°. 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.
