S
M
T
W
T
F
S
26
66°
42°
27
62°
48°
28
63°
45°
29
51°
34°
30
49°
29°
1
47°
26°
2
62°
24°
3
72°
45°
4
78°
36°
5
55°
36°
6
52°
27°
7
57°
28°
8
70°
25°
9
63°
36°
10
61°
27°
11
60°
27°
12
79°
40°
13
64°
39°
14
71°
31°
15
83°
46°
16
86°
56°
17
63°
48°
18
81°
52°
19
68°
50°
20
59°
40°
21
56°
44°
22
59°
47°
23
65°
51°
24
73°
53°
25
80°
55°
26
80°
55°
27
79°
55°
28
78°
58°
29
80°
55°
30
80°
56°
31
79°
56°
1
80°
57°
2
75°
52°
3
78°
58°
4
77°
57°
5
76°
52°
6
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kingston
Kingston's May 2026 forecast shows daily high temperatures ranging from 56° to 80°, with overnight lows between 40° and 58°. The average high for May is 74° with an average low of 53°. 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 Kingston. See also: June | July | August.