S
M
T
W
T
F
S
29
46°
31°
30
49°
33°
31
54°
35°
1
39°
33°
2
43°
34°
3
63°
36°
4
44°
35°
5
40°
35°
6
41°
34°
7
35°
25°
8
43°
28°
9
48°
35°
10
46°
35°
11
51°
34°
12
66°
56°
13
72°
57°
14
75°
59°
15
73°
56°
16
66°
49°
17
69°
51°
18
68°
45°
19
57°
38°
20
55°
40°
21
64°
47°
22
65°
49°
23
62°
48°
24
60°
39°
25
52°
34°
26
51°
37°
27
52°
37°
28
53°
38°
29
57°
38°
30
53°
35°
1
55°
36°
2
53°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Port Glasgow
Port Glasgow's April 2026 forecast shows daily high temperatures ranging from 51° to 75°, with overnight lows between 34° and 59°. The average high for April is 60° with an average low of 44°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Port Glasgow. See also: May | June | July.
