S
M
T
W
T
F
S
31
74°
47°
1
73°
48°
2
73°
50°
3
77°
54°
4
82°
62°
5
81°
64°
6
81°
64°
7
81°
64°
8
80°
62°
9
79°
63°
10
81°
62°
11
81°
62°
12
78°
60°
13
78°
62°
14
79°
58°
15
74°
54°
16
72°
53°
17
73°
54°
18
74°
56°
19
75°
60°
20
79°
63°
21
76°
63°
22
77°
62°
23
76°
63°
24
77°
61°
25
76°
59°
26
80°
64°
27
81°
63°
28
77°
60°
29
77°
57°
30
76°
58°
1
77°
58°
2
78°
62°
3
80°
64°
4
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Greenwich
Greenwich's June 2026 forecast shows daily high temperatures ranging from 72° to 82°, with overnight lows between 48° and 64°. The average high for June is 78° with an average low of 60°. 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 Greenwich. See also: July | August | September.
