S
M
T
W
T
F
S
26
65°
55°
27
66°
55°
28
62°
53°
29
64°
54°
30
65°
55°
31
64°
54°
1
65°
55°
2
66°
56°
3
66°
56°
4
65°
55°
5
66°
56°
6
66°
56°
7
65°
55°
8
66°
56°
9
64°
54°
10
62°
51°
11
61°
51°
12
61°
52°
13
62°
53°
14
63°
54°
15
62°
55°
16
61°
54°
17
61°
53°
18
65°
53°
19
67°
52°
20
65°
51°
21
66°
54°
22
64°
53°
23
61°
52°
24
61°
53°
25
62°
55°
26
62°
50°
27
63°
48°
28
61°
49°
29
61°
51°
30
62°
53°
31
66°
51°
1
66°
52°
2
67°
50°
3
63°
50°
4
61°
48°
5
61°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fairhaven
Fairhaven's August 2026 forecast shows daily high temperatures ranging from 61° to 67°, with overnight lows between 48° and 56°. The average high for August is 64° with an average low of 53°. 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 Fairhaven. See also: September | October | November.
