S
M
T
W
T
F
S
26
62°
37°
27
66°
38°
28
66°
41°
29
65°
40°
30
67°
44°
1
69°
47°
2
68°
46°
3
67°
47°
4
68°
42°
5
60°
40°
6
59°
40°
7
59°
41°
8
61°
39°
9
63°
41°
10
62°
48°
11
65°
41°
12
69°
45°
13
65°
46°
14
62°
43°
15
63°
42°
16
62°
43°
17
64°
42°
18
73°
43°
19
64°
44°
20
68°
47°
21
67°
45°
22
64°
42°
23
65°
46°
24
66°
46°
25
63°
49°
26
67°
51°
27
74°
52°
28
64°
47°
29
64°
50°
30
67°
44°
31
67°
46°
1
74°
51°
2
72°
49°
3
67°
45°
4
66°
51°
5
68°
44°
6
66°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Scappoose
Scappoose's May 2026 forecast shows daily high temperatures ranging from 59° to 74°, with overnight lows between 37° and 52°. The average high for May is 66° with an average low of 45°. 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 Scappoose. See also: June | July | August.
