S
M
T
W
T
F
S
28
66°
45°
29
72°
46°
30
73°
39°
1
75°
37°
2
79°
39°
3
88°
50°
4
90°
50°
5
90°
52°
6
84°
64°
7
95°
55°
8
88°
54°
9
89°
45°
10
87°
46°
11
86°
50°
12
86°
48°
13
89°
53°
14
93°
47°
15
85°
45°
16
87°
45°
17
93°
48°
18
96°
49°
19
96°
50°
20
95°
50°
21
94°
49°
22
89°
44°
23
90°
49°
24
81°
44°
25
89°
48°
26
90°
48°
27
90°
49°
28
91°
49°
29
90°
47°
30
90°
48°
31
82°
40°
1
82°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Sisters
Sisters's July 2026 forecast shows daily high temperatures ranging from 81° to 96°, with overnight lows between 40° and 53°. The average high for July is 89° with an average low of 47°. 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 Sisters. See also: August | September | October.
