S
M
T
W
T
F
S
28
85°
70°
29
89°
71°
30
88°
68°
1
87°
68°
2
88°
69°
3
96°
72°
4
88°
68°
5
86°
69°
6
83°
64°
7
84°
65°
8
83°
67°
9
83°
68°
10
84°
69°
11
85°
70°
12
86°
70°
13
86°
69°
14
85°
70°
15
85°
70°
16
86°
69°
17
85°
68°
18
86°
69°
19
85°
66°
20
85°
68°
21
86°
69°
22
85°
68°
23
85°
68°
24
84°
67°
25
86°
69°
26
86°
70°
27
86°
70°
28
85°
69°
29
84°
70°
30
86°
70°
31
87°
70°
1
88°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Stevenson
Stevenson's July 2026 forecast shows daily high temperatures ranging from 83° to 96°, with overnight lows between 64° and 72°. The average high for July is 86° with an average low of 69°. 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 Stevenson. See also: August | September | October.