S
M
T
W
T
F
S
26
59°
34°
27
55°
50°
28
55°
39°
29
61°
36°
30
66°
41°
1
57°
52°
2
63°
45°
3
82°
46°
4
63°
54°
5
61°
54°
6
57°
54°
7
61°
45°
8
63°
46°
9
70°
41°
10
64°
48°
11
68°
41°
12
68°
48°
13
62°
51°
14
60°
47°
15
58°
47°
16
60°
44°
17
61°
46°
18
63°
46°
19
67°
45°
20
71°
49°
21
75°
48°
22
66°
44°
23
63°
46°
24
62°
45°
25
63°
47°
26
62°
45°
27
60°
47°
28
57°
42°
29
58°
42°
30
59°
45°
31
65°
48°
1
65°
48°
2
62°
49°
3
59°
43°
4
57°
44°
5
57°
44°
6
58°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Tillamook
Tillamook's May 2026 forecast shows daily high temperatures ranging from 57° to 75°, with overnight lows between 42° and 51°. The average high for May is 62° with an average low of 46°. 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 Tillamook. See also: June | July | August.
