S
M
T
W
T
F
S
26
91°
75°
27
91°
73°
28
84°
72°
29
82°
63°
30
82°
59°
31
82°
66°
1
72°
64°
2
79°
63°
3
82°
59°
4
89°
68°
5
76°
58°
6
81°
60°
7
84°
67°
8
86°
70°
9
88°
70°
10
89°
66°
11
86°
68°
12
83°
65°
13
83°
67°
14
85°
63°
15
82°
63°
16
81°
64°
17
83°
63°
18
87°
69°
19
89°
68°
20
86°
67°
21
86°
68°
22
87°
68°
23
87°
67°
24
85°
67°
25
85°
66°
26
84°
65°
27
85°
64°
28
85°
65°
29
84°
64°
30
85°
65°
31
85°
65°
1
84°
64°
2
85°
65°
3
85°
65°
4
84°
64°
5
84°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Yarmouth
Yarmouth's August 2026 forecast shows daily high temperatures ranging from 76° to 89°, with overnight lows between 58° and 70°. The average high for August is 85° with an average low of 66°. 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 Yarmouth. See also: September | October | November.
