S
M
T
W
T
F
S
26
91°
70°
27
84°
72°
28
81°
63°
29
81°
56°
30
88°
59°
31
77°
64°
1
70°
64°
2
77°
63°
3
81°
56°
4
84°
64°
5
79°
67°
6
80°
65°
7
85°
67°
8
82°
64°
9
75°
60°
10
84°
69°
11
81°
69°
12
84°
66°
13
77°
64°
14
80°
67°
15
79°
66°
16
79°
61°
17
76°
55°
18
76°
58°
19
79°
59°
20
76°
62°
21
77°
60°
22
78°
58°
23
75°
55°
24
74°
58°
25
78°
57°
26
81°
62°
27
82°
61°
28
73°
56°
29
76°
57°
30
80°
60°
31
81°
61°
1
82°
61°
2
82°
60°
3
80°
60°
4
80°
58°
5
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Delafield
Delafield's August 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 55° and 67°. The average high for August is 79° with an average low of 60°. 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 Delafield. See also: September | October | November.