S
M
T
W
T
F
S
28
81°
64°
29
90°
73°
30
88°
68°
1
82°
64°
2
79°
63°
3
84°
68°
4
84°
63°
5
N/A
6
87°
68°
7
89°
70°
8
82°
63°
9
81°
61°
10
88°
68°
11
89°
71°
12
92°
74°
13
96°
72°
14
90°
68°
15
87°
69°
16
85°
68°
17
88°
67°
18
86°
64°
19
84°
68°
20
88°
64°
21
84°
65°
22
87°
68°
23
88°
68°
24
87°
67°
25
88°
68°
26
88°
65°
27
87°
68°
28
89°
69°
29
89°
69°
30
88°
68°
31
90°
69°
1
90°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Stillwater
Stillwater's July 2026 forecast shows daily high temperatures ranging from 81° to 96°, with overnight lows between 61° and 74°. The average high for July is 88° with an average low of 68°. 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 Stillwater. See also: August | September | October.