S
M
T
W
T
F
S
26
61°
46°
27
64°
41°
28
74°
38°
29
77°
42°
30
80°
43°
1
80°
46°
2
66°
49°
3
63°
46°
4
65°
39°
5
65°
46°
6
79°
42°
7
89°
47°
8
86°
50°
9
87°
49°
10
91°
51°
11
88°
49°
12
80°
46°
13
73°
53°
14
82°
45°
15
84°
44°
16
82°
43°
17
79°
44°
18
79°
41°
19
87°
41°
20
88°
44°
21
90°
46°
22
76°
46°
23
75°
48°
24
75°
49°
25
75°
46°
26
75°
41°
27
75°
48°
28
77°
51°
29
77°
49°
30
80°
50°
31
83°
52°
1
86°
54°
2
86°
55°
3
85°
54°
4
82°
56°
5
80°
51°
6
82°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lake Nacimiento
Lake Nacimiento's May 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 41° and 56°. The average high for May is 80° 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 Lake Nacimiento. See also: June | July | August.
