S
M
T
W
T
F
S
26
72°
56°
27
73°
55°
28
78°
56°
29
76°
55°
30
74°
54°
31
74°
54°
1
75°
55°
2
74°
55°
3
73°
54°
4
71°
51°
5
77°
56°
6
77°
59°
7
Hist. Avg.
75°
54°
8
Hist. Avg.
75°
54°
9
Hist. Avg.
75°
54°
10
Hist. Avg.
75°
54°
11
Hist. Avg.
75°
54°
12
Hist. Avg.
74°
53°
13
Hist. Avg.
74°
53°
14
Hist. Avg.
74°
53°
15
Hist. Avg.
74°
53°
16
Hist. Avg.
74°
53°
17
Hist. Avg.
74°
53°
18
Hist. Avg.
73°
52°
19
Hist. Avg.
73°
52°
20
Hist. Avg.
73°
52°
21
Hist. Avg.
73°
52°
22
Hist. Avg.
73°
52°
23
Hist. Avg.
72°
51°
24
Hist. Avg.
72°
51°
25
Hist. Avg.
72°
51°
26
Hist. Avg.
72°
51°
27
Hist. Avg.
72°
50°
28
Hist. Avg.
71°
50°
29
Hist. Avg.
71°
50°
30
Hist. Avg.
71°
49°
31
Hist. Avg.
71°
49°
1
Hist. Avg.
70°
49°
2
Hist. Avg.
70°
49°
3
Hist. Avg.
70°
48°
4
Hist. Avg.
70°
48°
5
Hist. Avg.
69°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Dean
Dean's August 2026 forecast shows daily high temperatures ranging from 71° to 78°, with overnight lows between 51° and 59°. The average high for August is 75° with an average low of 55°. 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 Dean. See also: September | October | November.