S
M
T
W
T
F
S
27
63°
38°
28
67°
49°
29
67°
52°
30
62°
35°
1
53°
35°
2
65°
48°
3
56°
46°
4
66°
47°
5
65°
47°
6
68°
52°
7
67°
50°
8
50°
44°
9
47°
42°
10
62°
45°
11
62°
39°
12
67°
49°
13
69°
52°
14
78°
52°
15
75°
59°
16
75°
56°
17
70°
53°
18
63°
50°
19
50°
45°
20
54°
44°
21
58°
49°
22
55°
50°
23
51°
46°
24
52°
45°
25
61°
48°
26
69°
49°
27
76°
54°
28
80°
57°
29
71°
58°
30
69°
58°
31
62°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in William's Harbour
William's Harbour's May 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 William's Harbour. See also: June | July | August.
