S
M
T
W
T
F
S
26
84°
57°
27
82°
55°
28
86°
59°
29
93°
55°
30
81°
57°
31
86°
48°
1
91°
63°
2
84°
55°
3
61°
45°
4
72°
45°
5
79°
48°
6
86°
45°
7
73°
41°
8
79°
43°
9
81°
48°
10
75°
48°
11
79°
43°
12
75°
48°
13
70°
52°
14
61°
59°
15
73°
50°
16
81°
48°
17
73°
52°
18
75°
45°
19
86°
55°
20
82°
54°
21
81°
50°
22
81°
43°
23
76°
54°
24
82°
57°
25
79°
55°
26
79°
48°
27
84°
46°
28
84°
61°
29
91°
54°
30
79°
58°
31
72°
50°
1
77°
48°
2
84°
50°
3
79°
59°
4
84°
54°
5
81°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fortuna
Fortuna's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Fortuna. See also: September | October | November.
