S
M
T
W
T
F
S
26
78°
57°
27
78°
52°
28
72°
52°
29
72°
56°
30
73°
54°
31
72°
49°
1
70°
50°
2
69°
49°
3
69°
48°
4
70°
49°
5
70°
49°
6
71°
50°
7
73°
55°
8
75°
54°
9
73°
57°
10
75°
51°
11
75°
57°
12
79°
56°
13
77°
55°
14
77°
48°
15
71°
48°
16
70°
54°
17
71°
46°
18
69°
46°
19
68°
49°
20
69°
48°
21
71°
49°
22
68°
48°
23
68°
51°
24
70°
53°
25
73°
45°
26
68°
56°
27
74°
54°
28
76°
52°
29
70°
49°
30
69°
46°
31
66°
45°
1
66°
44°
2
67°
53°
3
68°
49°
4
68°
43°
5
63°
44°
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 63° to 79°, with overnight lows between 43° and 57°. The average high for August is 71° with an average low of 50°. 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.
