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
90°
50°
8
84°
46°
9
86°
46°
10
83°
47°
11
86°
48°
12
86°
48°
13
89°
48°
14
90°
50°
15
91°
51°
16
91°
47°
17
90°
46°
18
91°
48°
19
93°
47°
20
87°
44°
21
86°
47°
22
89°
49°
23
90°
49°
24
90°
48°
25
87°
43°
26
86°
44°
27
89°
48°
28
85°
43°
29
84°
46°
30
84°
47°
31
88°
48°
1
88°
47°
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 83° to 93°, with overnight lows between 43° and 51°. The average high for July is 88° 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.
