S
M
T
W
T
F
S
26
77°
68°
27
78°
69°
28
80°
68°
29
82°
69°
30
81°
70°
31
83°
70°
1
82°
69°
2
82°
68°
3
78°
64°
4
76°
65°
5
77°
67°
6
77°
68°
7
79°
68°
8
78°
67°
9
82°
69°
10
82°
69°
11
80°
68°
12
81°
68°
13
81°
69°
14
82°
66°
15
82°
68°
16
81°
67°
17
78°
68°
18
82°
69°
19
81°
68°
20
80°
64°
21
82°
61°
22
76°
61°
23
75°
62°
24
76°
62°
25
76°
61°
26
78°
64°
27
76°
61°
28
77°
60°
29
74°
60°
30
74°
59°
31
75°
59°
1
73°
58°
2
72°
60°
3
73°
61°
4
72°
61°
5
74°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Falmouth
Falmouth's August 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 58° and 70°. The average high for August is 78° 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.
