S
M
T
W
T
F
S
26
55°
44°
27
68°
35°
28
67°
37°
29
70°
45°
30
73°
50°
1
68°
37°
2
60°
45°
3
64°
41°
4
78°
47°
5
85°
60°
6
71°
62°
7
68°
42°
8
72°
41°
9
78°
52°
10
86°
51°
11
64°
41°
12
73°
37°
13
78°
51°
14
65°
48°
15
73°
41°
16
86°
48°
17
92°
60°
18
95°
64°
19
97°
72°
20
96°
71°
21
82°
59°
22
60°
56°
23
60°
55°
24
70°
57°
25
78°
67°
26
77°
68°
27
83°
66°
28
82°
54°
29
80°
56°
30
72°
52°
31
72°
53°
1
73°
55°
2
70°
57°
3
78°
58°
4
79°
59°
5
78°
63°
6
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in King William
King William's May 2026 forecast shows daily high temperatures ranging from 70° to 83°, with overnight lows between 52° and 68°. The average high for May is 77° with an average low of 59°. 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 King William. See also: June | July | August.