S
M
T
W
T
F
S
31
63°
55°
1
64°
55°
2
65°
52°
3
58°
51°
4
60°
48°
5
59°
49°
6
58°
49°
7
60°
49°
8
59°
46°
9
58°
49°
10
61°
50°
11
61°
49°
12
66°
51°
13
66°
50°
14
67°
51°
15
59°
50°
16
60°
47°
17
59°
45°
18
59°
46°
19
60°
47°
20
60°
48°
21
61°
50°
22
60°
48°
23
60°
48°
24
61°
48°
25
60°
47°
26
60°
48°
27
61°
47°
28
60°
48°
29
61°
51°
30
62°
50°
1
61°
50°
2
61°
52°
3
62°
51°
4
62°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Greenock
Greenock's June 2026 forecast shows daily high temperatures ranging from 58° to 67°, with overnight lows between 45° and 52°. The average high for June is 61° with an average low of 49°. 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 Greenock. See also: July | August | September.
