S
M
T
W
T
F
S
31
77°
55°
1
68°
50°
2
N/A
3
71°
48°
4
75°
51°
5
81°
53°
6
92°
60°
7
72°
51°
8
74°
52°
9
79°
58°
10
82°
54°
11
76°
52°
12
72°
50°
13
73°
51°
14
71°
50°
15
69°
49°
16
72°
50°
17
72°
54°
18
69°
50°
19
73°
53°
20
71°
47°
21
68°
53°
22
77°
56°
23
79°
56°
24
78°
51°
25
69°
53°
26
75°
56°
27
78°
57°
28
75°
57°
29
75°
56°
30
77°
57°
1
80°
57°
2
82°
58°
3
80°
58°
4
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Fortuna
Fortuna's June 2026 forecast shows daily high temperatures ranging from 68° to 92°, with overnight lows between 47° and 60°. The average high for June is 76° 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 June weather will actually feel in Fortuna. See also: July | August | September.