S
M
T
W
T
F
S
28
84°
57°
29
83°
57°
30
82°
52°
1
85°
55°
2
79°
61°
3
77°
60°
4
82°
61°
5
90°
63°
6
85°
60°
7
86°
67°
8
85°
64°
9
85°
65°
10
90°
64°
11
91°
64°
12
90°
66°
13
91°
65°
14
89°
64°
15
85°
60°
16
84°
63°
17
85°
64°
18
87°
65°
19
84°
65°
20
89°
66°
21
90°
66°
22
86°
65°
23
87°
66°
24
88°
65°
25
84°
65°
26
87°
64°
27
89°
66°
28
87°
65°
29
86°
65°
30
81°
64°
31
81°
61°
1
82°
63°
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 77° to 91°, with overnight lows between 60° and 67°. The average high for July is 86° with an average low of 64°. 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.
