S
M
T
W
T
F
S
26
56°
39°
27
58°
41°
28
58°
43°
29
59°
41°
30
60°
47°
1
62°
46°
2
61°
47°
3
59°
48°
4
60°
44°
5
53°
42°
6
52°
41°
7
53°
41°
8
54°
42°
9
55°
42°
10
55°
48°
11
58°
42°
12
60°
46°
13
57°
47°
14
55°
43°
15
55°
42°
16
56°
42°
17
56°
43°
18
64°
45°
19
56°
46°
20
60°
49°
21
59°
44°
22
55°
42°
23
57°
46°
24
57°
47°
25
54°
50°
26
60°
51°
27
64°
52°
28
56°
47°
29
56°
50°
30
59°
45°
31
60°
48°
1
65°
51°
2
64°
50°
3
59°
46°
4
58°
52°
5
58°
44°
6
59°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Seaside
Seaside's May 2026 forecast shows daily high temperatures ranging from 52° to 65°, with overnight lows between 39° and 52°. The average high for May is 58° 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 Seaside. See also: June | July | August.
