S
M
T
W
T
F
S
28
73°
54°
29
72°
49°
30
83°
47°
1
85°
49°
2
90°
46°
3
87°
48°
4
90°
49°
5
95°
59°
6
90°
59°
7
88°
53°
8
87°
53°
9
91°
52°
10
92°
55°
11
100°
53°
12
98°
57°
13
95°
56°
14
94°
53°
15
91°
56°
16
91°
54°
17
90°
55°
18
89°
53°
19
91°
57°
20
92°
58°
21
90°
58°
22
90°
57°
23
91°
58°
24
92°
58°
25
92°
59°
26
93°
59°
27
92°
58°
28
93°
59°
29
93°
59°
30
92°
58°
31
93°
59°
1
94°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Powder River
Powder River's July 2026 forecast shows daily high temperatures ranging from 87° to 100°, with overnight lows between 52° and 61°. The average high for July is 92° with an average low of 57°. 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 Powder River. See also: August | September | October.