S
M
T
W
T
F
S
26
60°
48°
27
61°
47°
28
63°
43°
29
67°
46°
30
61°
49°
1
63°
49°
2
61°
53°
3
63°
49°
4
62°
48°
5
61°
48°
6
70°
48°
7
60°
53°
8
61°
51°
9
62°
49°
10
64°
50°
11
65°
51°
12
60°
50°
13
63°
50°
14
63°
47°
15
60°
47°
16
60°
46°
17
58°
47°
18
72°
46°
19
77°
50°
20
71°
49°
21
61°
48°
22
62°
50°
23
64°
51°
24
64°
50°
25
64°
50°
26
59°
53°
27
63°
49°
28
56°
47°
29
62°
52°
30
62°
52°
31
69°
50°
1
64°
50°
2
64°
53°
3
64°
53°
4
64°
49°
5
64°
47°
6
64°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Los Osos
Los Osos's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Los Osos. See also: June | July | August.
