S
M
T
W
T
F
S
26
78°
57°
27
84°
58°
28
79°
62°
29
70°
62°
30
75°
62°
31
79°
61°
1
83°
60°
2
83°
67°
3
82°
59°
4
82°
60°
5
83°
57°
6
88°
63°
7
87°
68°
8
83°
68°
9
82°
63°
10
81°
58°
11
80°
64°
12
78°
57°
13
76°
61°
14
74°
54°
15
72°
51°
16
79°
48°
17
79°
65°
18
80°
63°
19
78°
59°
20
76°
58°
21
78°
52°
22
76°
53°
23
74°
60°
24
73°
54°
25
71°
57°
26
77°
58°
27
79°
56°
28
78°
57°
29
74°
52°
30
75°
60°
31
77°
60°
1
76°
63°
2
74°
64°
3
75°
55°
4
74°
54°
5
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Dorset
Dorset's August 2026 forecast shows daily high temperatures ranging from 74° to 77°, with overnight lows between 52° and 64°. The average high for August is 75° with an average low of 58°. 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 Dorset. See also: September | October | November.
