S
M
T
W
T
F
S
28
58°
46°
29
68°
46°
30
77°
50°
1
76°
51°
2
82°
56°
3
88°
57°
4
85°
56°
5
89°
59°
6
91°
61°
7
94°
62°
8
96°
61°
9
99°
66°
10
91°
62°
11
92°
63°
12
92°
63°
13
91°
64°
14
92°
64°
15
93°
63°
16
93°
64°
17
92°
64°
18
93°
63°
19
94°
65°
20
94°
66°
21
93°
65°
22
92°
65°
23
91°
64°
24
92°
64°
25
93°
65°
26
91°
64°
27
92°
65°
28
88°
63°
29
88°
64°
30
92°
65°
31
85°
64°
1
85°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Twin Falls
Twin Falls's July 2026 forecast shows daily high temperatures ranging from 58° to 99°, with overnight lows between 46° and 66°. The average high for July 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 July weather will actually feel in Twin Falls. See also: August | September | October.