S
M
T
W
T
F
S
26
58°
45°
27
59°
46°
28
58°
45°
29
51°
40°
30
52°
41°
1
52°
40°
2
53°
40°
3
53°
41°
4
54°
41°
5
52°
42°
6
54°
40°
7
55°
41°
8
59°
42°
9
62°
45°
10
63°
47°
11
60°
46°
12
55°
44°
13
55°
45°
14
56°
44°
15
54°
43°
16
54°
42°
17
55°
42°
18
59°
44°
19
60°
44°
20
55°
48°
21
56°
46°
22
56°
49°
23
55°
45°
24
55°
44°
25
56°
46°
26
55°
44°
27
58°
48°
28
60°
49°
29
59°
47°
30
63°
44°
31
59°
53°
1
58°
47°
2
56°
45°
3
60°
46°
4
59°
45°
5
62°
51°
6
65°
53°
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 51° to 65°, with overnight lows between 40° and 53°. The average high for May is 57° 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 Seaside. See also: June | July | August.
