S
M
T
W
T
F
S
26
63°
47°
27
64°
42°
28
69°
46°
29
71°
49°
30
70°
50°
1
61°
52°
2
64°
52°
3
64°
50°
4
64°
48°
5
64°
49°
6
69°
53°
7
73°
51°
8
68°
49°
9
70°
50°
10
66°
51°
11
63°
48°
12
59°
52°
13
65°
48°
14
67°
50°
15
64°
47°
16
69°
48°
17
66°
46°
18
71°
47°
19
81°
48°
20
71°
47°
21
61°
50°
22
59°
51°
23
64°
52°
24
65°
53°
25
63°
51°
26
63°
47°
27
70°
50°
28
67°
49°
29
67°
49°
30
70°
50°
31
74°
50°
1
72°
52°
2
71°
51°
3
70°
52°
4
71°
51°
5
73°
55°
6
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pismo Beach
Pismo Beach's May 2026 forecast shows daily high temperatures ranging from 59° to 74°, with overnight lows between 47° and 55°. The average high for May is 68° with an average low of 51°. 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 Pismo Beach. See also: June | July | August.
