S
M
T
W
T
F
S
26
70°
58°
27
71°
59°
28
71°
59°
29
72°
60°
30
73°
59°
31
70°
58°
1
72°
59°
2
71°
60°
3
71°
59°
4
70°
60°
5
71°
60°
6
71°
59°
7
73°
60°
8
73°
59°
9
70°
58°
10
70°
57°
11
71°
57°
12
69°
56°
13
69°
57°
14
70°
58°
15
71°
59°
16
70°
59°
17
71°
57°
18
71°
53°
19
70°
53°
20
71°
55°
21
69°
57°
22
71°
55°
23
71°
53°
24
70°
53°
25
69°
54°
26
68°
52°
27
68°
53°
28
68°
54°
29
69°
56°
30
73°
55°
31
73°
52°
1
72°
50°
2
70°
51°
3
68°
52°
4
71°
50°
5
67°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in North West Arm
North West Arm's August 2026 forecast shows daily high temperatures ranging from 67° to 73°, with overnight lows between 49° and 60°. The average high for August is 70° with an average low of 56°. 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 North West Arm. See also: September | October | November.