S
M
T
W
T
F
S
26
86°
65°
27
82°
60°
28
79°
53°
29
85°
51°
30
86°
63°
31
70°
62°
1
80°
57°
2
78°
51°
3
84°
55°
4
76°
53°
5
76°
46°
6
81°
46°
7
81°
57°
8
76°
47°
9
78°
50°
10
82°
48°
11
82°
51°
12
82°
52°
13
80°
51°
14
82°
50°
15
80°
62°
16
71°
50°
17
79°
45°
18
75°
44°
19
76°
39°
20
75°
43°
21
78°
48°
22
74°
44°
23
67°
45°
24
76°
35°
25
79°
44°
26
73°
55°
27
76°
51°
28
86°
48°
29
75°
62°
30
72°
63°
31
91°
64°
1
86°
55°
2
90°
61°
3
88°
60°
4
85°
70°
5
89°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mercer
Mercer's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Mercer. See also: September | October | November.
