S
M
T
W
T
F
S
31
59°
48°
1
59°
45°
2
61°
43°
3
59°
44°
4
59°
46°
5
60°
43°
6
59°
43°
7
62°
44°
8
61°
48°
9
63°
47°
10
62°
48°
11
63°
49°
12
64°
47°
13
62°
50°
14
65°
51°
15
65°
51°
16
64°
50°
17
66°
47°
18
62°
45°
19
65°
47°
20
66°
50°
21
66°
52°
22
67°
51°
23
65°
51°
24
64°
50°
25
64°
50°
26
65°
49°
27
65°
49°
28
64°
50°
29
66°
52°
30
66°
51°
1
65°
52°
2
65°
51°
3
64°
52°
4
64°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Port Glasgow
Port Glasgow's June 2026 forecast shows daily high temperatures ranging from 59° to 67°, with overnight lows between 43° and 52°. The average high for June is 63° with an average low of 48°. 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 Glasgow. See also: July | August | September.
