S
M
T
W
T
F
S
26
95°
68°
27
91°
72°
28
88°
66°
29
90°
64°
30
88°
70°
31
73°
64°
1
82°
61°
2
81°
61°
3
82°
59°
4
70°
50°
5
77°
46°
6
79°
54°
7
77°
55°
8
81°
50°
9
81°
61°
10
79°
54°
11
81°
61°
12
84°
61°
13
79°
63°
14
81°
59°
15
84°
68°
16
79°
55°
17
82°
54°
18
75°
50°
19
77°
46°
20
79°
59°
21
79°
61°
22
73°
52°
23
77°
46°
24
82°
55°
25
83°
60°
26
77°
51°
27
77°
50°
28
80°
61°
29
77°
62°
30
82°
57°
31
80°
54°
1
74°
53°
2
76°
53°
3
75°
54°
4
77°
55°
5
73°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Swanville
Swanville's August 2026 forecast shows daily high temperatures ranging from 73° to 83°, with overnight lows between 50° and 62°. The average high for August is 78° 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 Swanville. See also: September | October | November.