S
M
T
W
T
F
S
26
82°
69°
27
80°
71°
28
85°
72°
29
85°
72°
30
84°
71°
31
86°
72°
1
86°
71°
2
85°
72°
3
86°
71°
4
82°
70°
5
84°
71°
6
85°
71°
7
82°
66°
8
77°
64°
9
77°
65°
10
79°
70°
11
85°
71°
12
84°
71°
13
86°
72°
14
85°
70°
15
84°
69°
16
82°
68°
17
79°
69°
18
81°
69°
19
83°
67°
20
84°
68°
21
83°
65°
22
82°
60°
23
74°
59°
24
75°
59°
25
75°
60°
26
78°
59°
27
80°
59°
28
78°
65°
29
78°
65°
30
74°
64°
31
76°
64°
1
80°
63°
2
80°
57°
3
77°
56°
4
72°
63°
5
71°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in La Crosse
La Crosse's August 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 56° and 72°. The average high for August is 81° with an average low of 67°. 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 La Crosse. See also: September | October | November.
