S
M
T
W
T
F
S
26
85°
58°
27
86°
56°
28
79°
57°
29
79°
59°
30
78°
58°
31
79°
57°
1
80°
58°
2
82°
58°
3
81°
57°
4
81°
55°
5
83°
56°
6
Hist. Avg.
80°
59°
7
Hist. Avg.
80°
59°
8
Hist. Avg.
80°
59°
9
Hist. Avg.
80°
59°
10
Hist. Avg.
80°
59°
11
Hist. Avg.
80°
59°
12
Hist. Avg.
80°
58°
13
Hist. Avg.
80°
58°
14
Hist. Avg.
80°
58°
15
Hist. Avg.
80°
58°
16
Hist. Avg.
80°
58°
17
Hist. Avg.
80°
58°
18
Hist. Avg.
80°
58°
19
Hist. Avg.
79°
58°
20
Hist. Avg.
79°
57°
21
Hist. Avg.
79°
57°
22
Hist. Avg.
79°
57°
23
Hist. Avg.
79°
57°
24
Hist. Avg.
79°
57°
25
Hist. Avg.
79°
56°
26
Hist. Avg.
78°
56°
27
Hist. Avg.
78°
56°
28
Hist. Avg.
78°
56°
29
Hist. Avg.
78°
55°
30
Hist. Avg.
78°
55°
31
Hist. Avg.
78°
55°
1
Hist. Avg.
77°
55°
2
Hist. Avg.
77°
54°
3
Hist. Avg.
77°
54°
4
Hist. Avg.
77°
54°
5
Hist. Avg.
76°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Delavan
Delavan's August 2026 forecast shows daily high temperatures ranging from 78° to 86°, with overnight lows between 55° and 59°. The average high for August is 81° with an average low of 57°. 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 Delavan. See also: September | October | November.
