S
M
T
W
T
F
S
26
79°
68°
27
80°
65°
28
79°
72°
29
80°
68°
30
82°
69°
1
73°
57°
2
76°
56°
3
79°
46°
4
80°
50°
5
81°
67°
6
83°
73°
7
83°
65°
8
76°
63°
9
80°
66°
10
83°
69°
11
85°
68°
12
81°
64°
13
82°
62°
14
84°
63°
15
85°
67°
16
84°
66°
17
81°
65°
18
81°
67°
19
82°
68°
20
80°
69°
21
80°
68°
22
82°
63°
23
81°
63°
24
81°
64°
25
82°
67°
26
82°
65°
27
83°
64°
28
82°
66°
29
83°
70°
30
85°
70°
31
84°
71°
1
84°
71°
2
85°
70°
3
84°
71°
4
84°
72°
5
85°
72°
6
85°
71°
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 76° to 85°, with overnight lows between 46° and 73°. The average high for May is 82° with an average low of 66°. 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.
