S
M
T
W
T
F
S
26
95°
62°
27
90°
70°
28
90°
64°
29
93°
60°
30
90°
70°
31
80°
59°
1
84°
55°
2
86°
55°
3
85°
56°
4
71°
47°
5
81°
46°
6
83°
64°
7
75°
51°
8
82°
46°
9
78°
53°
10
78°
47°
11
81°
51°
12
82°
57°
13
81°
55°
14
83°
48°
15
80°
61°
16
N/A
17
78°
54°
18
72°
46°
19
76°
54°
20
81°
58°
21
81°
52°
22
76°
55°
23
77°
55°
24
79°
57°
25
76°
56°
26
82°
59°
27
82°
56°
28
76°
57°
29
75°
50°
30
79°
58°
31
68°
53°
1
67°
53°
2
67°
49°
3
68°
51°
4
73°
53°
5
73°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Lake Itasca
Lake Itasca's August 2026 forecast shows daily high temperatures ranging from 67° to 82°, with overnight lows between 46° and 59°. The average high for August is 75° with an average low of 54°. 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 Itasca. See also: September | October | November.
