S
M
T
W
T
F
S
26
84°
67°
27
85°
62°
28
86°
66°
29
89°
67°
30
94°
61°
31
85°
62°
1
87°
63°
2
85°
61°
3
84°
59°
4
84°
60°
5
85°
61°
6
85°
62°
7
86°
62°
8
86°
64°
9
86°
61°
10
84°
65°
11
91°
68°
12
93°
68°
13
94°
61°
14
89°
62°
15
88°
67°
16
91°
67°
17
91°
60°
18
84°
59°
19
82°
57°
20
83°
60°
21
88°
58°
22
83°
56°
23
81°
58°
24
82°
63°
25
89°
65°
26
88°
66°
27
88°
67°
28
91°
59°
29
91°
61°
30
88°
58°
31
83°
61°
1
81°
63°
2
80°
54°
3
79°
57°
4
79°
63°
5
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Humboldt
Humboldt's August 2026 forecast shows daily high temperatures ranging from 79° to 94°, with overnight lows between 54° and 68°. The average high for August is 86° with an average low of 62°. 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 Humboldt. See also: September | October | November.