S
M
T
W
T
F
S
26
94°
75°
27
95°
73°
28
95°
76°
29
89°
74°
30
88°
70°
31
88°
67°
1
81°
71°
2
76°
69°
3
86°
66°
4
87°
63°
5
90°
66°
6
91°
67°
7
93°
72°
8
89°
71°
9
89°
69°
10
93°
73°
11
93°
72°
12
95°
75°
13
96°
76°
14
96°
76°
15
97°
72°
16
99°
72°
17
95°
75°
18
90°
68°
19
87°
67°
20
91°
68°
21
88°
64°
22
91°
66°
23
89°
65°
24
84°
66°
25
89°
68°
26
90°
68°
27
89°
64°
28
90°
65°
29
93°
67°
30
92°
69°
31
95°
69°
1
95°
70°
2
87°
64°
3
82°
64°
4
89°
68°
5
85°
67°
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 82° to 95°, with overnight lows between 64° and 70°. The average high for August is 89° 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 Humboldt. See also: September | October | November.