S
M
T
W
T
F
S
28
93°
59°
29
92°
54°
30
84°
48°
1
81°
52°
2
87°
54°
3
92°
57°
4
95°
59°
5
94°
60°
6
95°
63°
7
95°
63°
8
97°
62°
9
96°
63°
10
98°
63°
11
98°
62°
12
97°
64°
13
99°
66°
14
98°
65°
15
98°
61°
16
87°
61°
17
93°
60°
18
97°
62°
19
96°
64°
20
99°
60°
21
95°
52°
22
88°
55°
23
88°
61°
24
99°
64°
25
99°
63°
26
98°
63°
27
98°
62°
28
94°
60°
29
90°
59°
30
91°
60°
31
96°
59°
1
91°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Harper
Harper's July 2026 forecast shows daily high temperatures ranging from 81° to 99°, with overnight lows between 48° and 66°. The average high for July is 94° with an average low of 60°. 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 Harper. See also: August | September | October.