S
M
T
W
T
F
S
26
85°
53°
27
94°
59°
28
95°
60°
29
94°
60°
30
95°
61°
31
95°
60°
1
93°
59°
2
94°
59°
3
95°
60°
4
95°
60°
5
94°
59°
6
94°
60°
7
93°
59°
8
94°
59°
9
95°
61°
10
83°
49°
11
82°
48°
12
82°
49°
13
85°
53°
14
88°
50°
15
86°
51°
16
87°
55°
17
91°
54°
18
91°
56°
19
93°
59°
20
95°
59°
21
94°
57°
22
95°
53°
23
92°
51°
24
86°
50°
25
86°
49°
26
89°
49°
27
91°
51°
28
91°
54°
29
90°
50°
30
88°
56°
31
90°
53°
1
86°
51°
2
85°
45°
3
79°
50°
4
80°
51°
5
83°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in LaCrosse
LaCrosse's August 2026 forecast shows daily high temperatures ranging from 79° to 95°, with overnight lows between 45° and 61°. The average high for August is 90° with an average low of 55°. 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 LaCrosse. See also: September | October | November.
