S
M
T
W
T
F
S
26
69°
39°
27
58°
47°
28
58°
47°
29
65°
47°
30
75°
49°
1
73°
50°
2
73°
54°
3
82°
55°
4
82°
54°
5
76°
51°
6
73°
51°
7
70°
48°
8
63°
52°
9
70°
51°
10
74°
53°
11
71°
50°
12
70°
50°
13
68°
51°
14
65°
47°
15
68°
49°
16
64°
50°
17
62°
50°
18
61°
51°
19
64°
49°
20
64°
52°
21
62°
51°
22
62°
47°
23
66°
49°
24
71°
53°
25
72°
54°
26
72°
54°
27
67°
52°
28
68°
50°
29
68°
52°
30
71°
55°
31
67°
54°
1
64°
54°
2
66°
52°
3
67°
53°
4
64°
52°
5
66°
51°
6
70°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kirkland
Kirkland's May 2026 forecast shows daily high temperatures ranging from 61° to 82°, with overnight lows between 47° and 55°. The average high for May is 69° with an average low of 51°. 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 Kirkland. See also: June | July | August.