S
M
T
W
T
F
S
26
70°
57°
27
68°
58°
28
73°
53°
29
70°
58°
30
70°
57°
31
68°
55°
1
68°
51°
2
69°
51°
3
68°
54°
4
72°
53°
5
68°
54°
6
68°
56°
7
69°
53°
8
70°
58°
9
70°
57°
10
73°
56°
11
74°
56°
12
74°
57°
13
73°
54°
14
68°
52°
15
68°
54°
16
73°
56°
17
72°
57°
18
69°
53°
19
68°
54°
20
71°
55°
21
73°
56°
22
68°
51°
23
70°
55°
24
70°
53°
25
Hist. Avg.
70°
55°
26
Hist. Avg.
70°
55°
27
Hist. Avg.
69°
55°
28
Hist. Avg.
69°
55°
29
Hist. Avg.
69°
55°
30
Hist. Avg.
69°
55°
31
Hist. Avg.
69°
55°
1
Hist. Avg.
69°
54°
2
Hist. Avg.
68°
54°
3
Hist. Avg.
68°
54°
4
Hist. Avg.
68°
54°
5
Hist. Avg.
68°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Yarmouth
Yarmouth's August 2026 forecast shows daily high temperatures ranging from 68° to 74°, with overnight lows between 51° and 58°. The average high for August is 70° 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 Yarmouth. See also: September | October | November.
