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
86°
64°
7
83°
63°
8
71°
56°
9
78°
49°
10
81°
58°
11
83°
60°
12
87°
63°
13
85°
60°
14
79°
58°
15
78°
58°
16
77°
59°
17
80°
60°
18
82°
60°
19
77°
54°
20
72°
51°
21
73°
53°
22
76°
58°
23
76°
58°
24
74°
57°
25
77°
58°
26
75°
52°
27
75°
58°
28
79°
59°
29
79°
59°
30
78°
58°
31
79°
59°
1
80°
58°
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 71° to 87°, with overnight lows between 49° and 64°. The average high for July is 79° 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.
