S
M
T
W
T
F
S
26
54°
46°
27
64°
43°
28
59°
53°
29
59°
54°
30
68°
52°
1
62°
46°
2
59°
50°
3
62°
44°
4
71°
54°
5
73°
62°
6
69°
62°
7
64°
51°
8
70°
57°
9
66°
55°
10
75°
57°
11
61°
51°
12
65°
47°
13
65°
49°
14
66°
50°
15
70°
53°
16
76°
54°
17
73°
55°
18
78°
59°
19
78°
59°
20
75°
55°
21
69°
52°
22
68°
52°
23
69°
53°
24
70°
52°
25
72°
56°
26
75°
59°
27
73°
57°
28
75°
57°
29
74°
54°
30
77°
61°
31
81°
62°
1
76°
63°
2
80°
61°
3
79°
63°
4
82°
64°
5
82°
64°
6
81°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in McKinleyville
McKinleyville's May 2026 forecast shows daily high temperatures ranging from 61° to 82°, with overnight lows between 47° and 64°. The average high for May is 73° with an average low of 56°. 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 McKinleyville. See also: June | July | August.
