S
M
T
W
T
F
S
26
70°
63°
27
68°
59°
28
70°
64°
29
70°
63°
30
72°
52°
31
70°
43°
1
70°
45°
2
77°
54°
3
77°
55°
4
72°
66°
5
68°
59°
6
70°
50°
7
68°
45°
8
70°
45°
9
73°
46°
10
75°
52°
11
82°
46°
12
90°
68°
13
78°
64°
14
73°
60°
15
73°
57°
16
69°
59°
17
68°
62°
18
69°
59°
19
68°
58°
20
67°
57°
21
66°
57°
22
67°
59°
23
67°
58°
24
68°
59°
25
66°
52°
26
65°
53°
27
66°
51°
28
65°
53°
29
67°
56°
30
67°
54°
31
68°
56°
1
66°
54°
2
64°
53°
3
64°
52°
4
66°
57°
5
68°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in The Mumbles
The Mumbles's August 2026 forecast shows daily high temperatures ranging from 64° to 90°, with overnight lows between 51° and 68°. The average high for August is 69° with an average low of 57°. 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 The Mumbles. See also: September | October | November.
