S
M
T
W
T
F
S
26
88°
69°
27
89°
70°
28
90°
69°
29
90°
70°
30
94°
72°
31
94°
73°
1
90°
73°
2
90°
72°
3
91°
73°
4
90°
70°
5
92°
70°
6
95°
68°
7
88°
68°
8
89°
69°
9
89°
70°
10
90°
71°
11
90°
69°
12
91°
70°
13
90°
71°
14
89°
72°
15
89°
71°
16
90°
69°
17
89°
71°
18
89°
70°
19
90°
72°
20
89°
72°
21
89°
73°
22
92°
72°
23
93°
72°
24
94°
71°
25
94°
72°
26
93°
72°
27
93°
71°
28
92°
72°
29
93°
72°
30
92°
70°
31
91°
69°
1
90°
68°
2
90°
67°
3
89°
68°
4
91°
71°
5
92°
69°
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 88° to 95°, with overnight lows between 67° and 73°. The average high for August is 91° with an average low of 71°. 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.
