S
M
T
W
T
F
S
26
58°
34°
27
64°
35°
28
60°
35°
29
59°
45°
30
54°
46°
1
64°
46°
2
57°
41°
3
55°
35°
4
66°
35°
5
67°
48°
6
65°
54°
7
65°
48°
8
61°
36°
9
61°
38°
10
68°
51°
11
63°
38°
12
61°
36°
13
63°
41°
14
58°
44°
15
62°
42°
16
72°
40°
17
84°
57°
18
77°
54°
19
83°
58°
20
91°
61°
21
66°
51°
22
64°
47°
23
65°
43°
24
57°
50°
25
67°
53°
26
75°
57°
27
75°
55°
28
70°
50°
29
69°
54°
30
68°
52°
31
66°
51°
1
69°
54°
2
69°
55°
3
74°
58°
4
76°
59°
5
77°
60°
6
76°
56°
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 66° to 77°, with overnight lows between 50° and 60°. The average high for May is 72° 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 May weather will actually feel in Fairhaven. See also: June | July | August.
