S
M
T
W
T
F
S
26
70°
53°
27
68°
49°
28
75°
44°
29
78°
56°
30
74°
55°
1
66°
53°
2
59°
50°
3
69°
45°
4
76°
47°
5
78°
52°
6
84°
55°
7
75°
56°
8
71°
51°
9
76°
56°
10
82°
63°
11
83°
56°
12
71°
49°
13
76°
51°
14
82°
58°
15
78°
48°
16
72°
65°
17
80°
65°
18
79°
63°
19
80°
66°
20
80°
70°
21
83°
67°
22
77°
66°
23
78°
66°
24
79°
67°
25
80°
69°
26
81°
66°
27
81°
67°
28
82°
67°
29
83°
65°
30
84°
69°
31
83°
68°
1
85°
70°
2
85°
70°
3
84°
69°
4
81°
70°
5
81°
70°
6
82°
69°
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 72° to 85°, with overnight lows between 63° and 70°. The average high for May is 81° with an average low of 67°. 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.