S
M
T
W
T
F
S
26
48°
28°
27
52°
38°
28
52°
38°
29
48°
42°
30
52°
41°
1
57°
39°
2
47°
44°
3
50°
36°
4
58°
35°
5
57°
42°
6
51°
40°
7
55°
38°
8
50°
34°
9
54°
45°
10
47°
44°
11
49°
41°
12
60°
39°
13
50°
41°
14
50°
41°
15
56°
41°
16
56°
42°
17
54°
43°
18
50°
43°
19
52°
40°
20
49°
41°
21
48°
39°
22
51°
40°
23
55°
42°
24
53°
41°
25
56°
40°
26
56°
42°
27
72°
54°
28
62°
41°
29
57°
41°
30
55°
42°
31
55°
41°
1
56°
41°
2
56°
42°
3
57°
41°
4
56°
42°
5
56°
42°
6
57°
43°
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 48° to 72°, with overnight lows between 39° and 54°. The average high for May is 55° with an average low of 42°. 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.
