S
M
T
W
T
F
S
28
91°
75°
29
93°
73°
30
94°
69°
1
95°
72°
2
94°
70°
3
94°
70°
4
92°
69°
5
90°
70°
6
87°
70°
7
87°
70°
8
85°
69°
9
92°
71°
10
90°
74°
11
93°
73°
12
84°
70°
13
83°
71°
14
84°
70°
15
87°
69°
16
90°
71°
17
92°
71°
18
93°
70°
19
90°
71°
20
91°
70°
21
90°
71°
22
91°
70°
23
90°
69°
24
92°
73°
25
93°
73°
26
93°
72°
27
92°
73°
28
92°
72°
29
91°
72°
30
87°
71°
31
89°
72°
1
86°
72°
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 83° to 93°, with overnight lows between 69° and 74°. The average high for July is 90° with an average low of 71°. 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.
