S
M
T
W
T
F
S
26
76°
54°
27
79°
57°
28
68°
61°
29
74°
62°
30
74°
61°
31
80°
59°
1
80°
56°
2
75°
67°
3
76°
56°
4
78°
52°
5
79°
58°
6
83°
68°
7
83°
65°
8
81°
64°
9
82°
60°
10
80°
56°
11
78°
62°
12
79°
60°
13
79°
60°
14
80°
57°
15
79°
57°
16
69°
64°
17
78°
59°
18
78°
55°
19
76°
62°
20
75°
55°
21
70°
54°
22
68°
55°
23
72°
55°
24
77°
56°
25
77°
58°
26
75°
56°
27
74°
56°
28
73°
55°
29
70°
51°
30
75°
57°
31
68°
50°
1
68°
50°
2
69°
51°
3
69°
57°
4
68°
54°
5
69°
53°
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 68° to 79°, with overnight lows between 50° and 64°. The average high for August is 73° with an average low of 55°. 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.