S
M
T
W
T
F
S
31
77°
58°
1
75°
58°
2
74°
56°
3
74°
56°
4
78°
59°
5
78°
59°
6
77°
60°
7
79°
56°
8
78°
53°
9
71°
53°
10
72°
57°
11
77°
61°
12
80°
62°
13
77°
61°
14
74°
57°
15
72°
56°
16
74°
58°
17
74°
56°
18
76°
61°
19
75°
55°
20
77°
56°
21
78°
57°
22
82°
63°
23
80°
64°
24
78°
58°
25
83°
59°
26
80°
62°
27
81°
60°
28
78°
63°
29
85°
66°
30
85°
62°
1
86°
60°
2
83°
60°
3
81°
64°
4
83°
65°
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 53° and 66°. The average high for June is 78° with an average low of 59°. 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.
