S
M
T
W
T
F
S
26
56°
29°
27
50°
28°
28
50°
29°
29
51°
33°
30
49°
30°
1
49°
28°
2
50°
27°
3
51°
28°
4
52°
30°
5
54°
29°
6
57°
30°
7
60°
31°
8
60°
32°
9
61°
33°
10
58°
32°
11
55°
28°
12
56°
29°
13
54°
29°
14
55°
30°
15
58°
32°
16
57°
33°
17
55°
29°
18
56°
33°
19
60°
35°
20
66°
39°
21
67°
39°
22
61°
35°
23
58°
36°
24
64°
38°
25
61°
32°
26
66°
40°
27
70°
40°
28
71°
41°
29
70°
36°
30
69°
35°
31
70°
36°
1
70°
37°
2
71°
42°
3
73°
39°
4
67°
40°
5
72°
36°
6
72°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Lake Tahoe
South Lake Tahoe's May 2026 forecast shows daily high temperatures ranging from 49° to 73°, with overnight lows between 27° and 42°. The average high for May is 60° with an average low of 34°. 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 South Lake Tahoe. See also: June | July | August.
