S
M
T
W
T
F
S
31
63°
37°
1
67°
40°
2
76°
41°
3
81°
51°
4
84°
53°
5
86°
59°
6
84°
62°
7
73°
54°
8
71°
48°
9
77°
52°
10
81°
59°
11
79°
57°
12
81°
58°
13
80°
59°
14
81°
58°
15
82°
53°
16
71°
48°
17
72°
49°
18
73°
50°
19
74°
52°
20
74°
50°
21
75°
51°
22
75°
51°
23
76°
54°
24
74°
57°
25
76°
52°
26
74°
52°
27
75°
59°
28
78°
58°
29
76°
56°
30
77°
55°
1
75°
53°
2
76°
55°
3
78°
60°
4
81°
60°
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 71° to 86°, with overnight lows between 41° and 62°. The average high for June is 77° with an average low of 54°. 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.
