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
91°
54°
10
90°
50°
11
81°
49°
12
85°
48°
13
90°
53°
14
88°
52°
15
90°
50°
16
88°
48°
17
94°
51°
18
96°
49°
19
91°
48°
20
94°
49°
21
94°
49°
22
93°
47°
23
94°
47°
24
88°
44°
25
89°
48°
26
90°
48°
27
90°
49°
28
89°
48°
29
82°
45°
30
81°
42°
31
80°
42°
1
80°
41°
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 80° to 96°, with overnight lows between 41° and 53°. The average high for July is 89° with an average low of 48°. 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.
