S
M
T
W
T
F
S
26
81°
68°
27
81°
69°
28
83°
68°
29
83°
65°
30
82°
64°
31
77°
62°
1
77°
62°
2
79°
63°
3
78°
62°
4
79°
64°
5
79°
68°
6
80°
66°
7
79°
68°
8
82°
68°
9
79°
67°
10
80°
68°
11
78°
67°
12
82°
68°
13
83°
68°
14
83°
67°
15
82°
63°
16
81°
65°
17
77°
61°
18
79°
61°
19
78°
62°
20
77°
65°
21
78°
67°
22
81°
68°
23
82°
68°
24
83°
63°
25
82°
62°
26
82°
66°
27
75°
62°
28
Hist. Avg.
74°
60°
29
Hist. Avg.
74°
59°
30
Hist. Avg.
74°
59°
31
Hist. Avg.
74°
59°
1
Hist. Avg.
74°
59°
2
Hist. Avg.
74°
58°
3
Hist. Avg.
73°
58°
4
Hist. Avg.
73°
58°
5
Hist. Avg.
73°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Falmouth
Falmouth's August 2026 forecast shows daily high temperatures ranging from 75° to 83°, with overnight lows between 61° and 69°. The average high for August is 80° with an average low of 65°. 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 Falmouth. See also: September | October | November.
