S
M
T
W
T
F
S
26
93°
72°
27
92°
72°
28
92°
71°
29
91°
71°
30
90°
70°
31
88°
69°
1
85°
69°
2
87°
70°
3
89°
70°
4
90°
67°
5
90°
69°
6
88°
70°
7
88°
70°
8
83°
69°
9
83°
68°
10
84°
67°
11
85°
67°
12
87°
69°
13
89°
69°
14
89°
70°
15
90°
71°
16
91°
70°
17
90°
69°
18
91°
70°
19
91°
70°
20
90°
69°
21
81°
58°
22
80°
60°
23
82°
59°
24
81°
62°
25
83°
66°
26
88°
67°
27
89°
67°
28
90°
68°
29
90°
65°
30
89°
58°
31
81°
63°
1
81°
62°
2
88°
66°
3
89°
67°
4
89°
66°
5
88°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in New Melle
New Melle's August 2026 forecast shows daily high temperatures ranging from 80° to 93°, with overnight lows between 58° and 72°. The average high for August is 88° with an average low of 67°. 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 New Melle. See also: September | October | November.