S
M
T
W
T
F
S
26
77°
63°
27
78°
63°
28
81°
62°
29
81°
63°
30
80°
63°
31
77°
62°
1
75°
63°
2
80°
64°
3
78°
64°
4
75°
63°
5
77°
62°
6
76°
59°
7
75°
63°
8
79°
57°
9
74°
56°
10
73°
55°
11
74°
61°
12
74°
58°
13
73°
61°
14
73°
63°
15
77°
63°
16
79°
61°
17
76°
55°
18
74°
55°
19
74°
58°
20
76°
61°
21
73°
58°
22
74°
54°
23
78°
53°
24
73°
53°
25
73°
54°
26
74°
53°
27
72°
53°
28
72°
54°
29
74°
57°
30
75°
59°
31
78°
59°
1
78°
60°
2
79°
59°
3
78°
51°
4
75°
50°
5
69°
55°
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 69° to 81°, with overnight lows between 50° and 64°. The average high for August is 76° with an average low of 59°. 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.
