S
M
T
W
T
F
S
26
80°
62°
27
80°
62°
28
79°
61°
29
77°
62°
30
75°
61°
31
80°
62°
1
79°
62°
2
80°
60°
3
80°
60°
4
80°
61°
5
78°
61°
6
74°
60°
7
76°
56°
8
74°
54°
9
74°
54°
10
73°
55°
11
74°
60°
12
78°
60°
13
79°
59°
14
79°
54°
15
73°
53°
16
73°
58°
17
74°
60°
18
73°
53°
19
74°
53°
20
74°
54°
21
76°
53°
22
77°
53°
23
77°
52°
24
76°
52°
25
75°
54°
26
76°
57°
27
77°
58°
28
76°
57°
29
77°
59°
30
77°
55°
31
75°
50°
1
72°
49°
2
69°
51°
3
69°
50°
4
70°
50°
5
69°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Swiftwater
Swiftwater's August 2026 forecast shows daily high temperatures ranging from 69° to 80°, with overnight lows between 49° and 62°. The average high for August is 76° 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 Swiftwater. See also: September | October | November.