S
M
T
W
T
F
S
28
79°
53°
29
73°
51°
30
79°
55°
1
82°
57°
2
81°
57°
3
72°
54°
4
71°
53°
5
71°
51°
6
73°
53°
7
71°
52°
8
72°
53°
9
73°
49°
10
81°
49°
11
80°
55°
12
82°
54°
13
84°
51°
14
77°
48°
15
78°
56°
16
84°
58°
17
87°
56°
18
86°
51°
19
85°
50°
20
83°
49°
21
79°
55°
22
85°
54°
23
87°
54°
24
85°
51°
25
78°
50°
26
76°
51°
27
77°
51°
28
78°
52°
29
81°
50°
30
78°
50°
31
78°
51°
1
80°
50°
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 71° to 87°, with overnight lows between 48° and 58°. The average high for July is 79° with an average low of 52°. 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.