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
78°
62°
9
81°
54°
10
81°
53°
11
86°
56°
12
89°
62°
13
91°
71°
14
91°
71°
15
80°
56°
16
84°
56°
17
88°
68°
18
74°
59°
19
82°
51°
20
88°
65°
21
69°
43°
22
70°
39°
23
78°
53°
24
79°
63°
25
81°
53°
26
90°
68°
27
86°
59°
28
76°
54°
29
79°
56°
30
82°
58°
31
78°
57°
1
74°
54°
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 74° to 90°, with overnight lows between 53° and 68°. 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.
