S
M
T
W
T
F
S
28
75°
51°
29
82°
65°
30
89°
71°
1
84°
57°
2
83°
62°
3
84°
58°
4
80°
60°
5
81°
55°
6
84°
54°
7
85°
61°
8
68°
52°
9
81°
51°
10
83°
58°
11
86°
60°
12
87°
63°
13
89°
66°
14
89°
61°
15
81°
59°
16
79°
57°
17
79°
58°
18
80°
58°
19
77°
55°
20
78°
54°
21
77°
53°
22
76°
58°
23
76°
58°
24
82°
61°
25
83°
60°
26
81°
60°
27
80°
59°
28
80°
59°
29
79°
58°
30
77°
56°
31
72°
55°
1
75°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Mercer
Mercer's July 2026 forecast shows daily high temperatures ranging from 68° to 89°, with overnight lows between 51° and 66°. The average high for July is 80° with an average low of 58°. 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 Mercer. See also: August | September | October.
