S
M
T
W
T
F
S
26
72°
55°
27
69°
54°
28
68°
55°
29
67°
54°
30
70°
55°
31
70°
52°
1
68°
53°
2
67°
53°
3
66°
54°
4
68°
49°
5
68°
50°
6
Hist. Avg.
72°
55°
7
Hist. Avg.
72°
55°
8
Hist. Avg.
72°
55°
9
Hist. Avg.
72°
55°
10
Hist. Avg.
72°
55°
11
Hist. Avg.
72°
55°
12
Hist. Avg.
72°
55°
13
Hist. Avg.
72°
55°
14
Hist. Avg.
72°
55°
15
Hist. Avg.
72°
55°
16
Hist. Avg.
72°
55°
17
Hist. Avg.
72°
55°
18
Hist. Avg.
72°
55°
19
Hist. Avg.
72°
55°
20
Hist. Avg.
72°
55°
21
Hist. Avg.
72°
55°
22
Hist. Avg.
72°
55°
23
Hist. Avg.
72°
55°
24
Hist. Avg.
72°
55°
25
Hist. Avg.
72°
55°
26
Hist. Avg.
72°
55°
27
Hist. Avg.
72°
55°
28
Hist. Avg.
73°
55°
29
Hist. Avg.
73°
54°
30
Hist. Avg.
73°
54°
31
Hist. Avg.
73°
54°
1
Hist. Avg.
73°
54°
2
Hist. Avg.
73°
54°
3
Hist. Avg.
73°
54°
4
Hist. Avg.
73°
54°
5
Hist. Avg.
73°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Fortuna
Fortuna's August 2026 forecast shows daily high temperatures ranging from 66° to 72°, with overnight lows between 49° and 55°. The average high for August is 68° with an average low of 53°. 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.
