S
M
T
W
T
F
S
28
86°
67°
29
85°
63°
30
78°
58°
1
78°
66°
2
85°
66°
3
81°
65°
4
87°
68°
5
87°
68°
6
82°
65°
7
85°
64°
8
83°
59°
9
81°
60°
10
80°
59°
11
81°
60°
12
81°
61°
13
80°
66°
14
80°
66°
15
85°
65°
16
81°
63°
17
82°
64°
18
83°
68°
19
83°
68°
20
86°
61°
21
88°
64°
22
86°
67°
23
88°
63°
24
89°
62°
25
82°
69°
26
85°
69°
27
89°
68°
28
89°
63°
29
83°
67°
30
88°
68°
31
85°
69°
1
86°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in East Sioux Falls
East Sioux Falls's July 2026 forecast shows daily high temperatures ranging from 78° to 89°, with overnight lows between 58° and 69°. The average high for July is 84° with an average low of 65°. 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 East Sioux Falls. See also: August | September | October.