S
M
T
W
T
F
S
26
82°
49°
27
84°
49°
28
85°
50°
29
90°
49°
30
88°
49°
31
87°
50°
1
89°
48°
2
86°
47°
3
89°
48°
4
91°
51°
5
91°
48°
6
85°
48°
7
87°
47°
8
86°
49°
9
89°
48°
10
85°
46°
11
85°
46°
12
89°
49°
13
88°
45°
14
85°
48°
15
91°
48°
16
91°
54°
17
89°
46°
18
82°
45°
19
81°
50°
20
79°
45°
21
80°
50°
22
85°
53°
23
90°
52°
24
91°
54°
25
89°
50°
26
82°
48°
27
79°
46°
28
Hist. Avg.
84°
47°
29
Hist. Avg.
84°
47°
30
Hist. Avg.
83°
47°
31
Hist. Avg.
83°
46°
1
Hist. Avg.
83°
46°
2
Hist. Avg.
82°
46°
3
Hist. Avg.
82°
46°
4
Hist. Avg.
82°
45°
5
Hist. Avg.
82°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Leavenworth
Leavenworth's August 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 45° and 54°. The average high for August is 86° with an average low of 49°. 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 Leavenworth. See also: September | October | November.
