S
M
T
W
T
F
S
31
74°
42°
1
66°
47°
2
75°
46°
3
81°
55°
4
84°
54°
5
87°
59°
6
88°
62°
7
81°
63°
8
74°
58°
9
80°
58°
10
82°
60°
11
92°
70°
12
91°
70°
13
85°
67°
14
88°
65°
15
73°
57°
16
75°
52°
17
78°
56°
18
86°
66°
19
81°
67°
20
82°
62°
21
81°
62°
22
72°
67°
23
79°
62°
24
81°
63°
25
78°
62°
26
77°
61°
27
80°
63°
28
81°
62°
29
80°
66°
30
82°
65°
1
86°
66°
2
85°
67°
3
86°
65°
4
80°
62°
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 86°, with overnight lows between 61° and 67°. The average high for June is 81° with an average low of 64°. 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.
