S
M
T
W
T
F
S
26
96°
68°
27
94°
65°
28
95°
68°
29
94°
64°
30
98°
68°
31
97°
67°
1
98°
66°
2
94°
60°
3
89°
59°
4
92°
63°
5
93°
60°
6
91°
62°
7
92°
61°
8
100°
62°
9
92°
63°
10
92°
63°
11
92°
62°
12
91°
62°
13
91°
63°
14
90°
62°
15
91°
62°
16
91°
61°
17
90°
62°
18
90°
61°
19
89°
61°
20
91°
62°
21
90°
62°
22
89°
61°
23
88°
60°
24
87°
59°
25
83°
58°
26
78°
55°
27
78°
58°
28
80°
58°
29
81°
57°
30
78°
55°
31
81°
58°
1
84°
57°
2
81°
56°
3
81°
56°
4
80°
55°
5
82°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Twin Falls
Twin Falls's August 2026 forecast shows daily high temperatures ranging from 78° to 100°, with overnight lows between 55° and 68°. The average high for August is 89° with an average low of 61°. 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 Twin Falls. See also: September | October | November.
