S
M
T
W
T
F
S
31
72°
54°
1
68°
52°
2
66°
55°
3
66°
52°
4
64°
52°
5
63°
50°
6
61°
52°
7
63°
52°
8
64°
46°
9
63°
43°
10
63°
41°
11
63°
43°
12
70°
52°
13
70°
52°
14
72°
46°
15
70°
50°
16
72°
59°
17
70°
61°
18
72°
55°
19
70°
61°
20
72°
57°
21
80°
65°
22
81°
66°
23
83°
64°
24
78°
63°
25
76°
62°
26
81°
61°
27
80°
62°
28
78°
60°
29
75°
59°
30
72°
58°
1
73°
57°
2
64°
52°
3
63°
50°
4
63°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Portsea
Portsea's June 2026 forecast shows daily high temperatures ranging from 63° to 83°, with overnight lows between 50° and 66°. The average high for June is 74° with an average low of 59°. 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 Portsea. See also: July | August | September.