S
M
T
W
T
F
S
26
59°
41°
27
70°
36°
28
61°
38°
29
63°
48°
30
64°
48°
1
64°
38°
2
60°
45°
3
61°
41°
4
73°
37°
5
82°
51°
6
69°
52°
7
65°
50°
8
66°
41°
9
60°
48°
10
74°
49°
11
62°
45°
12
67°
36°
13
73°
53°
14
63°
50°
15
66°
48°
16
79°
61°
17
87°
63°
18
95°
65°
19
93°
67°
20
88°
55°
21
66°
47°
22
61°
46°
23
67°
50°
24
68°
55°
25
70°
54°
26
75°
57°
27
77°
55°
28
78°
58°
29
77°
55°
30
79°
58°
31
78°
59°
1
79°
58°
2
75°
58°
3
72°
59°
4
74°
59°
5
76°
57°
6
75°
59°
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 95°, with overnight lows between 46° and 67°. The average high for May is 77° with an average low of 57°. 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.