S
M
T
W
T
F
S
31
74°
42°
1
66°
47°
2
75°
46°
3
81°
57°
4
85°
62°
5
89°
66°
6
89°
71°
7
83°
55°
8
68°
55°
9
75°
57°
10
80°
60°
11
84°
61°
12
82°
59°
13
82°
61°
14
81°
59°
15
83°
61°
16
84°
59°
17
76°
56°
18
77°
62°
19
83°
61°
20
82°
58°
21
82°
57°
22
78°
56°
23
77°
57°
24
78°
61°
25
82°
65°
26
85°
64°
27
85°
59°
28
79°
59°
29
81°
58°
30
78°
58°
1
81°
60°
2
80°
59°
3
86°
64°
4
87°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Old Greenwich
Old Greenwich's June 2026 forecast shows daily high temperatures ranging from 68° to 89°, with overnight lows between 55° and 71°. The average high for June is 81° 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 Old Greenwich. See also: July | August | September.
