S
M
T
W
T
F
S
26
54°
30°
27
52°
28°
28
52°
29°
29
54°
30°
30
54°
29°
1
55°
30°
2
59°
33°
3
61°
33°
4
56°
31°
5
55°
30°
6
56°
32°
7
57°
31°
8
58°
31°
9
60°
33°
10
63°
34°
11
63°
33°
12
64°
33°
13
61°
32°
14
59°
32°
15
59°
32°
16
61°
34°
17
67°
38°
18
69°
41°
19
70°
42°
20
69°
41°
21
70°
42°
22
68°
40°
23
70°
40°
24
73°
38°
25
69°
40°
26
73°
42°
27
76°
41°
28
76°
40°
29
75°
41°
30
76°
40°
31
74°
40°
1
75°
39°
2
76°
39°
3
76°
40°
4
71°
37°
5
69°
36°
6
68°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Big Bear Lake
Big Bear Lake's May 2026 forecast shows daily high temperatures ranging from 52° to 76°, with overnight lows between 28° and 42°. The average high for May is 65° with an average low of 36°. 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 Big Bear Lake. See also: June | July | August.
