S
M
T
W
T
F
S
26
61°
49°
27
64°
47°
28
69°
43°
29
75°
49°
30
71°
49°
1
64°
53°
2
66°
52°
3
64°
49°
4
65°
47°
5
64°
50°
6
71°
45°
7
72°
51°
8
67°
52°
9
69°
51°
10
70°
51°
11
73°
51°
12
62°
50°
13
66°
51°
14
68°
44°
15
68°
50°
16
71°
48°
17
66°
45°
18
73°
39°
19
84°
53°
20
81°
50°
21
70°
48°
22
65°
50°
23
65°
52°
24
69°
46°
25
67°
48°
26
64°
52°
27
64°
49°
28
58°
46°
29
69°
51°
30
74°
50°
31
79°
48°
1
N/A
2
65°
49°
3
71°
52°
4
66°
53°
5
65°
52°
6
65°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Blacklake
Blacklake's May 2026 forecast shows daily high temperatures ranging from 65° to 71°, with overnight lows between 49° and 53°. The average high for May is 66° 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 Blacklake. See also: June | July | August.