S
M
T
W
T
F
S
26
60°
37°
27
55°
48°
28
56°
41°
29
66°
37°
30
72°
42°
1
61°
46°
2
71°
49°
3
85°
46°
4
66°
52°
5
67°
49°
6
62°
50°
7
65°
45°
8
58°
50°
9
70°
47°
10
71°
47°
11
68°
46°
12
65°
44°
13
66°
43°
14
64°
43°
15
66°
45°
16
68°
45°
17
66°
46°
18
64°
42°
19
59°
40°
20
60°
42°
21
68°
48°
22
66°
45°
23
63°
43°
24
68°
48°
25
67°
46°
26
66°
46°
27
68°
49°
28
69°
50°
29
70°
50°
30
70°
49°
31
71°
50°
1
69°
49°
2
68°
50°
3
68°
48°
4
67°
46°
5
66°
46°
6
64°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Willapa
Willapa's May 2026 forecast shows daily high temperatures ranging from 58° to 71°, with overnight lows between 40° and 50°. The average high for May is 66° 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 Willapa. See also: June | July | August.
