S
M
T
W
T
F
S
26
58°
42°
27
55°
50°
28
54°
40°
29
62°
36°
30
68°
50°
1
56°
47°
2
64°
49°
3
82°
49°
4
61°
52°
5
59°
54°
6
57°
52°
7
59°
46°
8
59°
45°
9
70°
46°
10
62°
50°
11
68°
51°
12
65°
50°
13
60°
52°
14
57°
48°
15
55°
45°
16
56°
46°
17
61°
40°
18
62°
47°
19
62°
47°
20
61°
48°
21
69°
47°
22
61°
53°
23
57°
49°
24
64°
54°
25
57°
51°
26
61°
52°
27
61°
51°
28
65°
53°
29
59°
46°
30
60°
45°
31
61°
46°
1
62°
47°
2
68°
49°
3
68°
50°
4
67°
48°
5
61°
50°
6
60°
47°
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 57° to 68°, with overnight lows between 45° and 54°. The average high for May is 62° with an average low of 49°. 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.
