S
M
T
W
T
F
S
28
89°
73°
29
90°
75°
30
91°
75°
1
90°
75°
2
90°
73°
3
84°
69°
4
82°
67°
5
86°
68°
6
87°
66°
7
89°
65°
8
90°
68°
9
88°
69°
10
81°
67°
11
86°
64°
12
-100°
-100°
13
90°
66°
14
92°
68°
15
93°
70°
16
94°
73°
17
94°
73°
18
96°
72°
19
96°
71°
20
94°
70°
21
91°
62°
22
85°
65°
23
88°
66°
24
91°
67°
25
90°
71°
26
86°
66°
27
86°
70°
28
85°
67°
29
82°
67°
30
82°
69°
31
83°
69°
1
83°
71°
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 82° to 96°, with overnight lows between 62° and 73°. The average high for July is 89° with an average low of 69°. 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.
