S
M
T
W
T
F
S
31
48°
42°
1
47°
44°
2
51°
44°
3
70°
46°
4
77°
47°
5
73°
45°
6
51°
37°
7
50°
37°
8
53°
38°
9
52°
37°
10
53°
38°
11
52°
36°
12
51°
38°
13
51°
37°
14
55°
38°
15
51°
38°
16
52°
40°
17
52°
40°
18
51°
41°
19
52°
41°
20
53°
42°
21
53°
42°
22
54°
41°
23
53°
40°
24
53°
40°
25
54°
41°
26
54°
42°
27
53°
42°
28
54°
41°
29
54°
42°
30
55°
41°
1
54°
42°
2
55°
42°
3
55°
43°
4
56°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Port O'Brien
Port O'Brien's June 2026 forecast shows daily high temperatures ranging from 47° to 77°, with overnight lows between 36° and 47°. The average high for June is 55° with an average low of 41°. 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 Port O'Brien. See also: July | August | September.
