S
M
T
W
T
F
S
26
95°
68°
27
97°
70°
28
86°
63°
29
90°
64°
30
88°
68°
31
72°
63°
1
82°
61°
2
82°
61°
3
84°
63°
4
75°
59°
5
77°
54°
6
79°
54°
7
79°
61°
8
81°
52°
9
82°
63°
10
82°
64°
11
84°
64°
12
86°
64°
13
75°
64°
14
81°
63°
15
81°
66°
16
79°
59°
17
82°
54°
18
81°
57°
19
77°
58°
20
83°
60°
21
79°
58°
22
78°
52°
23
79°
56°
24
79°
63°
25
83°
62°
26
76°
60°
27
78°
62°
28
83°
65°
29
79°
62°
30
80°
62°
31
78°
63°
1
75°
56°
2
69°
55°
3
69°
53°
4
76°
61°
5
74°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lake Elmo
Lake Elmo's August 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 52° and 65°. The average high for August is 78° with an average low of 59°. 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 Lake Elmo. See also: September | October | November.