S
M
T
W
T
F
S
26
84°
39°
27
85°
40°
28
86°
45°
29
87°
41°
30
81°
43°
31
88°
45°
1
89°
44°
2
85°
42°
3
79°
37°
4
80°
39°
5
81°
38°
6
83°
37°
7
82°
38°
8
86°
38°
9
86°
39°
10
87°
36°
11
86°
37°
12
86°
38°
13
85°
37°
14
87°
38°
15
86°
39°
16
87°
38°
17
86°
35°
18
81°
38°
19
80°
40°
20
82°
41°
21
87°
38°
22
87°
37°
23
Hist. Avg.
82°
39°
24
Hist. Avg.
82°
39°
25
Hist. Avg.
82°
39°
26
Hist. Avg.
82°
38°
27
Hist. Avg.
82°
38°
28
Hist. Avg.
81°
38°
29
Hist. Avg.
81°
38°
30
Hist. Avg.
81°
38°
31
Hist. Avg.
81°
38°
1
Hist. Avg.
80°
37°
2
Hist. Avg.
80°
37°
3
Hist. Avg.
80°
37°
4
Hist. Avg.
80°
37°
5
Hist. Avg.
79°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Truckee
Truckee's August 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 35° and 45°. The average high for August is 85° with an average low of 39°. 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 Truckee. See also: September | October | November.