S
M
T
W
T
F
S
26
54°
42°
27
55°
43°
28
55°
39°
29
55°
33°
30
54°
32°
1
55°
37°
2
68°
35°
3
70°
43°
4
60°
42°
5
51°
34°
6
46°
29°
7
60°
28°
8
71°
35°
9
60°
47°
10
40°
36°
11
68°
34°
12
68°
51°
13
73°
42°
14
79°
45°
15
85°
55°
16
77°
49°
17
70°
52°
18
60°
51°
19
54°
43°
20
62°
37°
21
67°
39°
22
57°
50°
23
63°
46°
24
80°
56°
25
85°
61°
26
86°
63°
27
85°
56°
28
83°
56°
29
80°
56°
30
78°
56°
31
75°
55°
1
79°
57°
2
78°
56°
3
77°
58°
4
78°
60°
5
74°
53°
6
72°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fairhaven
Fairhaven's May 2026 forecast shows daily high temperatures ranging from 63° to 86°, with overnight lows between 46° and 63°. The average high for May is 78° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Fairhaven. See also: June | July | August.
