S
M
T
W
T
F
S
26
29°
20°
27
40°
17°
28
50°
22°
29
59°
29°
30
69°
32°
1
65°
40°
2
69°
34°
3
61°
40°
4
45°
29°
5
49°
22°
6
61°
29°
7
67°
46°
8
63°
38°
9
62°
36°
10
72°
44°
11
65°
45°
12
70°
43°
13
73°
45°
14
60°
43°
15
46°
34°
16
45°
32°
17
52°
31°
18
58°
35°
19
63°
36°
20
55°
45°
21
66°
38°
22
69°
48°
23
75°
46°
24
65°
49°
25
77°
47°
26
82°
53°
27
81°
60°
28
84°
58°
29
82°
59°
30
69°
54°
31
59°
49°
1
51°
49°
2
54°
46°
3
58°
47°
4
63°
50°
5
66°
50°
6
66°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lac Bellevue
Lac Bellevue'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 Lac Bellevue. See also: June | July | August.