S
M
T
W
T
F
S
26
82°
43°
27
82°
40°
28
81°
39°
29
83°
39°
30
84°
39°
31
88°
36°
1
89°
39°
2
83°
41°
3
82°
45°
4
87°
51°
5
86°
51°
6
87°
55°
7
90°
50°
8
90°
51°
9
90°
47°
10
88°
46°
11
83°
45°
12
82°
46°
13
83°
46°
14
82°
47°
15
80°
41°
16
75°
44°
17
77°
45°
18
78°
45°
19
77°
44°
20
75°
44°
21
77°
43°
22
78°
44°
23
78°
45°
24
81°
45°
25
81°
44°
26
80°
45°
27
81°
45°
28
81°
44°
29
79°
43°
30
75°
44°
31
73°
44°
1
72°
42°
2
74°
43°
3
77°
43°
4
76°
42°
5
74°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in South Lake Tahoe
South Lake Tahoe's August 2026 forecast shows daily high temperatures ranging from 72° to 90°, with overnight lows between 41° and 55°. The average high for August is 80° with an average low of 45°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in South Lake Tahoe. See also: September | October | November.
