S
M
T
W
T
F
S
26
61°
29°
27
72°
35°
28
64°
39°
29
51°
32°
30
47°
32°
1
44°
28°
2
52°
28°
3
60°
27°
4
76°
32°
5
55°
37°
6
48°
29°
7
51°
27°
8
55°
28°
9
62°
39°
10
52°
35°
11
52°
29°
12
53°
30°
13
49°
39°
14
66°
36°
15
75°
39°
16
78°
48°
17
55°
44°
18
83°
62°
19
77°
36°
20
52°
29°
21
61°
33°
22
58°
43°
23
61°
45°
24
65°
45°
25
71°
49°
26
72°
48°
27
74°
49°
28
73°
51°
29
73°
50°
30
70°
48°
31
72°
46°
1
70°
52°
2
70°
52°
3
67°
51°
4
68°
48°
5
69°
52°
6
73°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Black Lake
Black Lake's May 2026 forecast shows daily high temperatures ranging from 52° to 83°, with overnight lows between 29° and 62°. The average high for May is 69° with an average low of 47°. 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 Black Lake. See also: June | July | August.