S
M
T
W
T
F
S
26
82°
67°
27
82°
66°
28
83°
68°
29
76°
65°
30
77°
57°
31
83°
59°
1
81°
68°
2
85°
69°
3
78°
68°
4
84°
65°
5
85°
69°
6
85°
67°
7
85°
65°
8
86°
68°
9
87°
67°
10
85°
66°
11
74°
65°
12
79°
63°
13
85°
64°
14
86°
69°
15
87°
69°
16
87°
71°
17
83°
68°
18
82°
66°
19
83°
64°
20
81°
65°
21
80°
62°
22
83°
63°
23
77°
60°
24
74°
55°
25
78°
50°
26
83°
58°
27
85°
65°
28
83°
64°
29
83°
61°
30
87°
66°
31
87°
66°
1
88°
68°
2
91°
68°
3
91°
69°
4
91°
70°
5
83°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in MacArthur
MacArthur's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 MacArthur. See also: September | October | November.
